Question

Simplify-:
(a+7)^2+(a-7)^2

Answer 1

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Answer 2

$(a + 7) {}^{2} + (a - 7) {}^{2} \\ 2(a {}^{2} + 49) \\ formula \: is \: (x + y) {}^{2} + (x - y) {}^{2} = 2(x {}^{2} + y {}^{2} )$