Question

Simplify the expression
( 4a - 3b)^{2} + ( 3b + 4a )^{2}

Answer 1

Answer:

$( {4a}^{} - 3b) {}^{2} + (3b + 4a) {}^{2} \\ \: 4a(3b + 4a) - 3b(3b + 4a) \\ 12ab + 16 {a}^{2} - 9 {b}^{2} - 12ab \\ 16 {a}^{2} - 9 {b}^{2}$

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