Question

multiply using appropriate identities.
(x+7) (x+7)​

Answer 1

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(x + 7) (x + 7)

➪ (x + 7)²

now, by using identity

• (a+b)² = a² + b² + 2ab

➪ (x + 7)²

➪ x² + (7)² + 2 × 7 × x

➪ x² + 49 + 14x

so, answer is x² + 49 + 14x

Answer 2

here is your answer mate

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