Question

simplify (a+7)2+(a-7)2​

Answer 1

Answer:

$(a + 7)2 + (a - 7)2$

$2a + 14 + 2a - 14$

$2a + 2a + 14 - 14$

$4a$

Answer 2

Answer:

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Step-by-step explanation:

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

2a+14+2a-14

4a+0

4a