(1-4х)*(1-3)=6х*(2х-1)

Question

(1-4х)*(1-3)=6х*(2х-1)

Answer 1

- 2( 1 - 4x) = 12x^2 - 6x
- 2 + 8x - 12x^2 + 6x = 0
- 12x^2 + 14x - 2 = 0
6x^2 - 7x + 1 = 0
D = b^2 - 4ac = 49 - 4*6*1 = 49 - 24 = 25 = 5^2
x1 = ( 7 + 5) / 12 = 1
x2 = ( 7 - 5) / 12 = 2/12 = 1/6