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Y2 + 8zx - 2xy -4yz factorise ?
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Y2 + 8zx - 2xy -4yz factorise ?

User Evil Pigeon
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y^2+8zx-2xy-4yz=(y^2-2xy)+(8xz-4yz)\\\\=y(y-2x)-4z(-2x+y)=y(y-2)-4z(y-2x)\\\\=\boxed{(y-2x)(y-4z)}

User Euccas
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