Multiplying binomials
(x+7)(x+9)
x2+16x+63
-2x(x2+15x+7)
-2x3-30x2-14x
-3x+4=16
x=-4
5x2-28x-12
(5x+2)(x-6)
10x3+40x2+26x+104
(5x2+13)(2x+8)
(x+15)(x+5)
x2+20x+95
3(x2+2x+6)
3x2+6x+18
-6x+42=60
x=-3
6x2+4x-42
(3x+7)(2x-6)
72x3-32x2+54x-24
(8x2+6)(9x-4)
(x-8)(x+16)
x2+8x-128
2(x2-x+11)
2x2-2x+22
9x-21=24
x=5
18x2-30x-42
(2x-6)(9x+7)
98x3+126x2+21x+27
(14x2+3)(7x+9)
(x-5)(x-12)
x2-17x+60
-3x(x2-7x+1)
-3x3+21x2-3x
-6x+9=75
x=14
78x2+128x+32
(13x+4)(6x+8)
18x3-15x2-108x+90
(3x2-18)(6x-5)
(x+10)(x-8)
x2+2x-80
5x(-2x2+8x+12)
-10x3+40x2+60x
-13x-21=96
x=-9
30x2-112x+98
(3x-7)(10x-14)
50x3-70x2-70x+98
(5x2-7)(10x-14)