Question

(2a+7) (2a+7) using identities ​

Answer 1

Answer:

(2a+7) (2a+7)

(2a+7)²

(2a)²+2(2a)(7)+(7)²

4a²+28a+49

hope it helps you...

Answer 2

Answer:

given,

(2a+7)(2a+7).

$(a + b) {}^{2} = {a}^{2} + {b}^{2} + 2ab$

$(2a) {}^{2} + {7}^{2} + 2 \times 2a \times 7$

$4a {}^{2} + 49 + 28a$

$4a {}^{2} + 28a + 49$

Step-by-step explanation:

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