Question

25a4 + 76a2b2 + 64b4.​

Answer 1

$25a {}^{4} + 76 a{}^{2} b {}^{2} + 64b {}^{2}$

$= > (5a {}^{2} ) {}^{2} + 2(5 a {}^{2} )(8b {}^{2} ) + (8b)² {}^{2}$

$= > (5a {}^{2} + 8b {}^{2} ) {}^{2}$