Question

How do i factorise this with quadratic trinomials? 3x^2−8x−3
Thank you :)

Answer 1

(x - 3) (3x + 1)

Explanation:

3x^2 -8x - 3

3x^2 - 9x + x - 3

3x (x - 3) + 1 (x - 3)

(x -3) (3x + 1)