(2x + 3) (5 - 3x)= 2x x5 - 2x x 3x + 3 x 5 - 3 x 3x
= 10x - 6x*2 + 15 - 9x
Solution = -6x*2 + x + 15
3x (2x + 1) - (2x*2 + 5x) = 6x*2 + 3x - 2x*2 - 5x
Solution = 4x*2 -2x
(X + 1) (x + 2) - 3x (x + 4) = x*2 + 2x + x + 2 - 3x*2 - 12x
Solution = - 2x *2 - 9x + 2
