Question

factorize
x⁸-x⁴-72
pls answer​

Answer 1

X^8+8x^4-9x^4-72
x^4*(x^4+8)-9(x^4+8)
(x^4+8)*(x^4-9)
(x^4+8)*(x^2-3)*(x^2+3)

Multiply= *
Power= ^