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分解因式x^2(x-1)^2+32(x-x^2)+60
人气:106 ℃ 时间:2020-07-17 09:19:05
解答
x^2(x-1)^2+32(x-x^2)+60
=x^2(x-1)^2 +32x(1-x)+60
=x^2(x-1)^2 - 32x(x-1) + 60
= (x(x-1)-30)*(x(x-1)-2)
=(x^2-x-30)*(x^2-x-2)
=(x-6)(x+5)(x-2)(x+1)
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