5x2 + 14x - 3 let 14x = 15x - x=5x
2
+ 15x - x - 3 factor out 5x and -1
= 5x(x + 3) - 1(x + 3) factor (x + 3)
= (x + 3)(5x - 1)
(x+8)(x-5)
(4x + 5)(x - 3)
(x + 2)(x - 9)
(X+9)(x-2)
(5x - 1)(x + 6)
(x + 2)(x - 8)
(x + 2)(x - 7)
(x - 3)(x + 6)
-70
(x+6)(X+20)
-70
(x - 6)(x - 9)