Question

factorise
$2x ^{2} - 3x - 1$

Answer 1

2x^2 - 3x - 1 = 0

2x^2- 2x + x -1 = 0

2x (x - 1) + 1 (x - 1) = 0

(x - 1) (2x + 1) = 0

x = 1 and (-1/2)