6 = 4x  2x²
2x²  4x  6 = 0 added 2x² and subtracted 4x
2(x²  x  3) = 0 factored 2 out
2(x 3)(x + 1) = 0 factored into two binomials
(x  3)(x + 1) = 0 divided each side by 2
x  3 = 0 or x + 1 = 0 set each factor equal to zero
x = 3 or x = 1 solved each for x
*McGenius*
