Mathematics

Mathematics

Problem

Factorisation of 25(x+y)2−36(x−2y)225(x + y)^2 - 36(x - 2y)^2 is (A) (11x−7y)(17y−x)(11x - 7y)(17y - x) (B) (11x+7y)(17y+x)(11x + 7y)(17y + x) (C) (11x−7y)(11x−7y)(11x - 7y)(11x - 7y) (D) (17y−x)(17y−x)(17y - x)(17y - x)

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