Question

Using an identity find the product : (4x + 4y)(4x - 4y).​

Answer 1

${\huge{\underline{\underline{\mathcal{\red {Ąnswer}}}}}}$

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$= (4x + 4y)(4x - 4y) \\ = ({4x})^{2} - ( {4y})^{2} \\ = 16 {x}^{2} - 16 {y}^{2}$

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