分解因式(以下八题)求解答 10
2个回答
2015-06-09
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(1)4ab(3a+1)(x-y)
(2)x(1-y)(x-y)^2
(3)3a(x-2)^2
(4)(11a-3b)(3a-11b)
(5)(a-b)(a+b+1)
(6)(a-2)(a-9)
(7)m^2-m-90=(m-10)(m+9)
m^2-9m-10=(m-10)(m+1)
(8)x^2(x-2y)(x+1)(x-1)
(2)x(1-y)(x-y)^2
(3)3a(x-2)^2
(4)(11a-3b)(3a-11b)
(5)(a-b)(a+b+1)
(6)(a-2)(a-9)
(7)m^2-m-90=(m-10)(m+9)
m^2-9m-10=(m-10)(m+1)
(8)x^2(x-2y)(x+1)(x-1)
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