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latex
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1
HW
[ "$\\displaystyle 96 a b c$" ]
HW
[ "$\\displaystyle 96 a b c$" ]
HW
[ "$\\displaystyle =-\\left(2 x^{3}+8 x^{2}+3 x+4\\right)$" ]
HW
[ "$\\displaystyle 2\\left(-7 x^{2}+x-2\\right)$" ]
HW
[ "$\\displaystyle 2\\left(-7 x^{2}+x-2\\right)$" ]
HW
[ "$\\displaystyle -x^{3}+3 x^{2}-4 x-1$" ]
HW
[ "$\\displaystyle -x^{3}+3 x^{2}-4 x-1$" ]
HW
[ "$\\displaystyle =-2 x^{3}-8 x^{2}-3 x-4$" ]
HW
[ "$\\displaystyle -14 x^{2}+2 x-4$" ]
HW
[ "$\\displaystyle \\left(2 x^{2}-x-8\\right)\\left(x^{2}-2 x+k\\right)$" ]
HW
[ "Good!" ]
HW
[ "Good!" ]
HW
[ "㊵" ]
HW
[ "㊵" ]
HW
[ "$\\displaystyle -35 a b-2 a b=-37 a b$" ]
HW
[ "$\\displaystyle -35 a b-2 a b=-37 a b$" ]
HW
[ "$\\displaystyle -37$" ]
HW
[ "Good!" ]
HW
[ "Good!" ]
HW
[ "Perfect!" ]
HW
[ "Perfect!" ]
HW
[ "$\\displaystyle 28x^{2}-23 x-15$" ]
HW
[ "$\\displaystyle (7x+3)(4x-5)=28x^{2}+(-35+12)x-15$" ]
HW
[ "$\\displaystyle (7x+3)(4x-5)=28x^{2}+(-35+12)x-15$" ]
HW
[ "$\\displaystyle 4 x^{3}-3 x^{2}+10 x-17$" ]
HW
[ "$\\displaystyle 4 x^{3}-3 x^{2}+10 x-17$" ]
HW
[ "$\\displaystyle 4 x^{3}-3 x^{2}+10 x-17$" ]
HW
[ "$\\displaystyle (x-3)(x+3)(x-8)$" ]
HW
[ "$\\displaystyle \\left(x^{2}-9\\right)(x-8)$" ]
HW
[ "$\\displaystyle x^{3}-8 x^{2}-9 x+7=$" ]
HW
[ "$\\displaystyle x^{3}-8 x^{2}-9 x+72$" ]
HW
[ "$\\displaystyle a-b =$" ]
HW
[ "$\\displaystyle k=34$" ]
HW
[ "$\\displaystyle k=34$" ]
HW
[ "$\\displaystyle 34$" ]
HW
[ "$\\displaystyle -5\\left(x^{2}+2 x-54+1\\right)+5(3 x-y+6)$" ]
HW
[ "$\\displaystyle -5\\left(x^{2}+2 x-54+1\\right)+5(3 x-y+6)$" ]
HW
[ "$\\displaystyle -5 x^{2}-10 x+254-5+15 x-54+30$" ]
HW
[ "$\\displaystyle =-5 x^{2}+5 x+209+25$" ]
HW
[ "42. $\\displaystyle {x}^{2}+5 x-1=0$" ]
HW
[ "42. $\\displaystyle {x}^{2}+5 x-1=0$" ]
HW
[ "$\\displaystyle x-\\frac{1}{x}=-5$" ]
HW
[ "$\\displaystyle x^{3}-\\frac{1}{x^{3}}=\\left(x-\\frac{1}{x}\\right)^{3}+3\\left(x-\\frac{1}{x}\\right)$" ]
HW
[ "$\\displaystyle =-125-15$" ]
HW
[ "$\\displaystyle 7 x-2 x^{2}-15+5 x^{3}$" ]
HW
[ "$\\displaystyle 7 x-2 x^{2}-15+5 x^{3}$" ]
HW
[ "$\\displaystyle 30$" ]
HW
[ "$\\displaystyle 30$" ]
HW
[ "12." ]
HW
[ "12." ]
HW
[ "$\\displaystyle x+y=-9 \\quad x y=7 $" ]
HW
[ "$\\displaystyle =81+7$" ]
HW
[ "$\\displaystyle =81+7$" ]
HW
[ "$\\displaystyle =88$" ]
HW
[ "$\\displaystyle =88$" ]
HW
[ "$\\displaystyle 3 x^{3}-x^{2}+10 x-16$" ]
HW
[ "$\\displaystyle 3 x^{3}-x^{2}+10 x-16$" ]
HW
[ "Good!" ]
HW
[ "Good!" ]
HW
[ "$\\displaystyle 10x^{10}+\\left(9 x^{9} \\times x\\right)+\\left(8 x^{2} \\times 2 x^{8}\\right) \\cdots+\\left(x \\times 9x^{9}\\right) \\times$" ]
HW
[ "$\\displaystyle 10x^{10}+\\left(9 x^{9} \\times x\\right)+\\left(8 x^{2} \\times 2 x^{8}\\right) \\cdots+\\left(x \\times 9x^{9}\\right) \\times$" ]
HW
[ "$\\displaystyle 24 x^{10}+21x^{10}+16 x^{10}+9 x^{10}+10 x^{10})$" ]
HW
[ "$\\displaystyle =185 x^{10}$" ]
HW
[ "$\\displaystyle =185 x^{10}$" ]
HW
[ "$\\displaystyle x+y=-3$" ]
HW
[ "$\\displaystyle x y=7$" ]
HW
[ "$\\displaystyle x y=7$" ]
HW
[ "$\\displaystyle -12$" ]
HW
[ "$\\displaystyle -12$" ]
HW
[ "$\\displaystyle (11x+3)(3 x-5)$" ]
HW
[ "$\\displaystyle (11x+3)(3 x-5)$" ]
HW
[ "$\\displaystyle =33 x^{2}-55 x+9 x-15$" ]
HW
[ "$\\displaystyle =33 x^{2}-46 x-15$" ]
HW
[ "$\\displaystyle =33 x^{2}-46 x-15$" ]
HW
[ "$\\displaystyle 33 x^{2}-46 x-15$" ]
HW
[ "$\\displaystyle 33 x^{2}-46 x-15$" ]
HW
[ "$\\displaystyle 16 x^{2}+40 x+25$" ]
HW
[ "$\\displaystyle 16 x^{2}+40 x+25$" ]
HW
[ "$\\displaystyle 12 a b+16 b^{2}-16 b c$" ]
HW
[ "$\\displaystyle 12 a b+16 b^{2}-16 b c$" ]
HW
[ "$\\displaystyle 12 a c+16 b c-16 c^{2}$" ]
HW
[ "$\\displaystyle =9 a^{2}+16 b^{2}-16 c^{2}+24 a b$" ]
HW
[ "$\\displaystyle =9 a^{2}+16 b^{2}-16 c^{2}+24 a b$" ]
HW
[ "$\\displaystyle (2 x^{2}-x+2)(x^{2}-4x+k)= \\cdots -kx-8x,\\quad -k-8=5,\\quad k =-13$" ]
HW
[ "good!" ]
HW
[ "$\\displaystyle k=-13$" ]
HW
[ "$\\displaystyle a=5, b=-2, c=-3 .$" ]
HW
[ "$\\displaystyle 0$" ]
HW
[ "$\\displaystyle 0$" ]
HW
[ "$\\displaystyle (x+4) P(x)=(x-6)(x+4) Q(x)+x+4$" ]
HW
[ "$\\displaystyle (x+4) P(x)=(x-6)(x+4) Q(x)+x+4$" ]
HW
[ "$\\displaystyle =(x-6)(x+4) Q(x)+x-6+10$" ]
HW
[ "$\\displaystyle =(x-6)(x+4) Q(x)+x-6+10$" ]
HW
[ "$\\displaystyle =(x-6)\\{(x+4) Q(x)+1\\}+10$" ]
HW
[ "$\\displaystyle a=4, b=-4, \\quad c=-1 .$" ]
HW
[ "$\\displaystyle a+b+c=-1$" ]
HW
[ "$\\displaystyle a+b+c=-1$" ]
HW
[ "$\\displaystyle (x-1)^{54}=x Q(x)+R$" ]
HW
[ "$\\displaystyle 471^{54}=472 Q(472)+1 .$" ]
HW
[ "$\\displaystyle P(x)=(x+3) Q(x)+4$" ]