Math, asked by varshanawani538, 2 months ago

factorise 36 (21-3m)² + 12 (3m-21)²

Answers

Answered by jyotigup312

1

$(3m - 21) {}^{2} (36 + 12) \\ = (3m - 21) {}^{2} 48 \\ = (3m - 21)(3m - 21)48$

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