Fantastic Factoring
15x2+20x
5x(x+4)
x2+4x-12
(x+6)(x-2)
x2-36
(x+6)(x-6)
x2-5x-14
(x-7)(x+2)
x2+6x+9
(x+3)2
x3+4x
x(x2+4)
3x2+14x-24
(3x-4)(x+6)
9x2-49
(3x+7)(3x-7)
x2-10x+16
(x-2)(x-8)
3x2+21x-24
3(x+8)(x-1)
6x2+11x-10
(2x+5)(3x-2)
2x2-50
2(x+5)(x-5)
20x3-45x
5x(2x+3)(2x-3)
4x2-20x+25
(2x-5)2
8x2-22x+15
(4x-5)(2x-3)