1.

x2−xz+xy−yz=?(a) (x−y)(x+z)(b) (x−y)(x−z)(c) (x+y)(x−z)(d) (x−y)(z−x)

Answer»

x2xz+xyyz=?(a) (xy)(x+z)(b) (xy)(xz)(c) (x+y)(xz)(d) (xy)(zx)



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