Please show work, thanks!
-
Multiply everything by -1
= x^4 - 32x^2 - 144
(X^2 + 4)(x^2 - 36)
= x^4 - 32x^2 - 144
(X^2 + 4)(x^2 - 36)
-
-x^4 + 32x^2 + 144
-(x^4 - 32x^2 - 144)
-(x^2 + 4)(x^2 - 36)
-(x^2 + 4)(x + 6)(x - 6)
-(x^4 - 32x^2 - 144)
-(x^2 + 4)(x^2 - 36)
-(x^2 + 4)(x + 6)(x - 6)