solve: x2 - 36
(x - 6)(x + 6)
(2x2 - 14x) + ( 4x - 28)
x(x - 7)(2x + 4)
6x3 + 2x
2x(3x2 + 1)
x2 + 2x - 8
(x + 4)(x + -2)
7x2 + 11x - 6
(7x + 3)(x - 2)
81 - x2
(9 - x)(9 + x)
15x2 + 12x - 10x - 8
(3x - 2)(5x + 4)
18y - 27y3
9y(2 - 3y2)
6x2 - 8x - 8
(3x + 2)(2x - 4)
x2 + x - 6
(x + 3)(x - 2)
64x2 - 49
(8x - 7)(8x + 7)
20x2 + 15x - 8x - 6
(4x + 3)(5x + 2)
15y3 + 25y2
5y2(3y + 5)
30x2 - 8x - 6
(5x - 3)(6x + 2)
x2 - 9x + 20
(x - 4)(x - 5)
27x2 - 12y8
(3x - 2y4)(3x + 2y4)
(25x2 + 5x + (30x + 6)
(5x + 1)(5x + 6)
-32x4 + 24x
8x(-4x3 + 4)
2x2 - 13x + 15
(2x - 3)(x - 5)
x2 + 7x + 6
(x + 1)(x + 6)
16x8 - 100y4
(4x4 - 10y2)(4x4 + 10y2)
35x3 - 28x2 - 20x +16
x(5x - 4)(7x + 4)
9x3 - 3x2 + 27x
3x(3x2 - x + 9)
x2 - 10x - 24
(x + 2)(x - 12)
x2 - 2x - 80
(x - 10)(x + 8)