Question

Simplify of (a²+3)²+(a²-3)²​

Answer 1

Answer:

$({a}^{2} + {3}^{2} ) + ({a}^{2} - {3}^{2} ) \\ {a}^{2} ( {a}^{2} - {3}^{2} ) + {3}^{2} ( {a}^{2} - {3}^{2} ) \\ {a}^{4} - 9 + {6a}^{4} + 81 \\ {7a}^{4} + 72$