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(1)4x^2-16y^2-4x+1(2)(x^2-2x)^2-(x^2-2x)-6
题目详情
(1) 4x^2-16y^2-4x+1
(2)(x^2-2x)^2-(x^2-2x)-6
(2)(x^2-2x)^2-(x^2-2x)-6
▼优质解答
答案和解析
4x^2-16y^2-4x+1
=4x^2-4x+1-16y^2
=(2x-1)^2-16y^2
=(2x-1+4y)(2x-1-4y)
(x^2-2x)^2-(x^2-2x)-6
=(x^2-2x+2)(x^2-2x-3)
=(x^2-2x+2)((x+1)(x-3)
=4x^2-4x+1-16y^2
=(2x-1)^2-16y^2
=(2x-1+4y)(2x-1-4y)
(x^2-2x)^2-(x^2-2x)-6
=(x^2-2x+2)(x^2-2x-3)
=(x^2-2x+2)((x+1)(x-3)
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