因式分解 -(x+2)²+16(x-1)²

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因式分解-(x+2)²+16(x-1)²因式分解-(x+2)²+16(x-1)²因式分解-(x+2)²+16(x-1)²-(x+2)

因式分解 -(x+2)²+16(x-1)²
因式分解 -(x+2)²+16(x-1)²

因式分解 -(x+2)²+16(x-1)²
-(x+2)²+16(x-1)²
=【4(x-1)-(x+2)】【4(x-1)+(x+2)】
=(3x-6)(5x-2)
=3(x-2)(5x-2)

-(x+2)²+16(x-1)²
=[4(x-1)+(x+2)][4(x-1)-(x+2)]
=(5x-2)(3x-6)
=3(5x-2)(x-2)