(3a+2b)3=9a+6b
X2+5X-24=(x+8)(x-3)
2x 2+3X+ 1 =(2x+ 1)(x+ 1)
X2-2X- 15=(x-5)(x+3)
15X2+X-2=(3x-5)(x+2)
12 x2-8X- 15 =(2x-3)(6x+5)
5X2+6XY-8Y2=(5x-4)(x+2)