(x^2-x)^2+3x(x-1)-54 、 (m^2+3m)^2-8(m^2+3m)+16 、 (c^2-a^2-b^2)^2-4a^2b^2 这三题 因式分解

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(x^2-x)^2+3x(x-1)-54、(m^2+3m)^2-8(m^2+3m)+16、(c^2-a^2-b^2)^2-4a^2b^2这三题因式分解(x^2-x)^2+3x(x-1)-54、(m^2

(x^2-x)^2+3x(x-1)-54 、 (m^2+3m)^2-8(m^2+3m)+16 、 (c^2-a^2-b^2)^2-4a^2b^2 这三题 因式分解
(x^2-x)^2+3x(x-1)-54 、 (m^2+3m)^2-8(m^2+3m)+16 、 (c^2-a^2-b^2)^2-4a^2b^2 这三题 因式分解

(x^2-x)^2+3x(x-1)-54 、 (m^2+3m)^2-8(m^2+3m)+16 、 (c^2-a^2-b^2)^2-4a^2b^2 这三题 因式分解
(x^2-x)^2+3x(x-1)-54
=[x(x-1)]²+3x(x-1)-54
=[x(x-1)+9][x(x-1)-6]
=(x²-x-9)(x²-x-6)
=(x²-x-9)(x-3)(x+2)
(m^2+3m)^2-8(m^2+3m)+16
=(m^2+3m-4)²
=(m+4)²(m-1)²
(c^2-a^2-b^2)^2-4a^2b^2
=(c^2-a^2-b^2+2ab)(c^2-a^2-b^2-2ab)
=[c²-(a²-2ab+b²)][c²-(a²+2ab+b²)]
=[c²-(a-b)²][c²-(a+b)²]
=(c+a-b)(c-a+b)(c+a+b)(c-a-b)

(x^2-x)^2+3x(x-1)-54
=[x(x-1)]²+3x(x-1)-54
=[x(x-1)+9][x(x-1)-6]
=(x²-x-9)(x²-x-6)
=(x²-x-9)(x-3)(x+2)
(m^2+3m)^2-8(m^2+3m)+16
=(m^2+3m-4)^2
=[(m+4)(m-...

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(x^2-x)^2+3x(x-1)-54
=[x(x-1)]²+3x(x-1)-54
=[x(x-1)+9][x(x-1)-6]
=(x²-x-9)(x²-x-6)
=(x²-x-9)(x-3)(x+2)
(m^2+3m)^2-8(m^2+3m)+16
=(m^2+3m-4)^2
=[(m+4)(m-1)]^2
=(m+4)^2(m-1)^2
(c^2-a^2-b^2)^2-4a^2b^2
=(c^2-a^2-b^2+2ab)(c^2-a^2-b^2-2ab)
=[c^2-(a-b)^2][c^2-(a+b)^2]
=(c+a-b)(c-a+b)(c+a+b)(c-a-b)

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