Question

$a ^{2} + b ^{2}$
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Answer 1

Answer:

(a+b)^2-2ab

Explanation:

hope this helps you better

Answer 2

$\huge\mathcal{\fcolorbox{cyan}{black}{\pink{ANSWER}}}$

$\green \odot \: \: \: {a}^{2} + {b}^{2} = {(a + b)}^{2} - 2ab \\ \\ \red \odot \: \: \: {a}^{2} + {b}^{2} = {(a - b)}^{2} + 2ab$