Question

Factorise 8-16x raise to power 4

Answer 1

(8 - 16$x^{4}$)
= 8(1 - 2$x^{4}$)
= 8($1^{2}$ - ($\sqrt{2}$$x^{2}$)^2)
= 8(1 - $\sqrt{2}$$x^{2}$)(1 + $\sqrt{2}$$x^{2}$)