(x-2y)^2+16y-8x+16因式分解

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(x-2y)^2+16y-8x+16因式分解

(x-2y)^2+16y-8x+16因式分解
(x-2y)^2+16y-8x+16因式分解

(x-2y)^2+16y-8x+16因式分解
(x-2y)^2+16y-8x+16
=(x-2y)^2-8x+16y+16
=(x-2y)^2-8(x-2y)+16
=[(x-2y)-4]^2
=(x-2y-4)^2

(x-2y)²+16y-8x+16
=(x-2y)²-8(x-2y)+16
=(x-2y-4)²

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原式=(x-2y)²-8(x-2y)+16
=(x-2y-4)²