Question

Factor this expression. Check by multiplying factors. x^6-x^4-2x^2+2

Answer 1

x^4(x^2-1) -2(x^2-1)

Answer 2

(x^4-2)(x^2-1)

then expand using diff of sqaurexs

Answer 3

(x+1)(x-1)(x^4-2)
=>(x+1)(x-1)(x^2+sqrt(2))(x-(2)^1/4)(x+(2)^1/4)