Find the GCF
4x2 + 8x - 4
4
x2 + 5x + 6
(x + 2)(x+3)
x2 + 2x + 1
(x + 1)2
x2 - 81
(x + 9)(x - 9)
7x2 - 20x - 3
(7x + 1)(x - 3)
15x5 - 10x2 + 20x
5x
x2 + 10x + 16
(x + 8)(x + 2)
x2 + 14x + 49
(x + 7)2
x2 - 169
(x - 13)(x + 13)
3x2 +5x - 12
(3x - 4)(x + 3)
12x4 + 36x3y2 - 48x2y3
12x2
x2 - 12x - 45
(X + 3)(x -15)
x2 - 16x + 64
(x - 8)2
4x2 - 81
(2x - 9)(2x + 9)
11x2 + 2x - 9
(11x - 9)(x + 1)
54x5y6 - 36x3y2 + 18x2y3 - 27xy4
9xy2
x2 + 8x - 65
(x + 13)(x - 5)
x2 - 26x + 169
(x - 13)2
x2 - 25/36
(x - 5/6)(x + 5/6)
15x2 - 2x - 8
(5x - 4)(3x + 2)
108x6y5z3 + 90x5y6z3 - 72x3y2z3
18x3y2z3
x2 + 2x - 80
(x + 10)(x - 8)
16x2 - 88x + 121
(4x2 - 11)
1x2/4 - 49/196
(1x/2 - 1/2)(1x/2 + 1/2)
4y2 - 5y - 4
Cannot be factored