Factorise: xy²-yz² - xy +z²
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answer :-
= x×y×y-y×z×z-x×y+z×z
= x² y³ z⁴ [z
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_________ Answer,_________
xy2-yz² - xy + z 2
Factor Extract the negative sign
x(xy - z²) - (xy 2 yx xy-z 2
Factor the expression
(xy − z ²) x ( y − 1) 2
x²y-xy²+ 5x-sy xy (x-y)+5(x-y
(x-y) (xy+5)
Hence factorised
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