Question

simplify (x+3)(x-3)(x²+9)​

Answer 1

${x}^{4} - 81$

IS THE SOLUTION

HOPE IT HELPS TO U

Answer 2

Answer:

$(x + 3)(x - 3)(x ^{2} + 9) \\ (x {}^{2} - 9)( {x}^{2} + 9) \\ (x {}^{2} {})^{2} - {9}^{2} \\ (x {}^{4} - 81)$