Using identities solve (5x+8y)² – InterviewSolution

1.	Using identities solve (5x+8y)²
Answer» Identity = (a+b)²= a² + 2ab + b²= (5x)² + 2 × 5x × 8y + (8y)²= 5x² + 80xy + 8y²= 25X + 80xy + 64y.pls MARK me as BRAINLIST

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