Question

Two sets of equation for 2x2+5x-12=0

Answer 1

Factor the equation to get
(x + 4) (2x - 3) = 0
Then you can use that to find
x+4 = 0 --> x = -4
and
2x - 3 = 0 --> x = 3/2 or rewritten to x = 1.5

Hope this helps :)