AoPS

MATHEMATICS · Single correct · AoPS · Mathematics · Special Factorizations · Special Factorizations

Problem

Simplify (x+2)2−(x−3)(x+3)(x+2)^2-(x-3)(x+3). (a) 4x−54x-5 (b) 4x+94x+9 (c) 4x+134x+13 (d) x2+4x−5x^2+4x-5

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