Question

4x^4+39x^2-10 Factor

Answer 1

(-1 + 2 x) (1 + 2 x) (10 + x^2)

Answer 2

(2 x-1) (2 x+1) (x^2+10)

Answer 3

how did you do that though?

Answer 4

4x^4+39x^2-10
4x^4 + 40x^2 - x^2 - 10
4x^2(x^2 + 10) - 1(x^2 + 10)
(x^2 + 10)(4x^2 - 1)
(x^2 + 10)(2x + 1)(2x - 1)

Answer 5

ok thanks