Factoring: GCF
21x - 15y
3(7x - 5y)
a2 - 64
(a + 8)(a - 8)
x2 + 7x + 6
(x + 1)(x + 6)
m2 - 17m - 38
(m + 2)(m - 19)
45x2 - 5
5(3x + 1)(3x - 1)
14c2 + 2c
2c(7c + 1)
y2 - 289
(y + 17)(y - 17)
y2 - 10y + 16
(y - 8)(y - 2)
p2 + 9p - 36
(p + 12)(p - 3)
m3n - mn3
mn(m + n)(m - n)
8x3y4 - 22x5y6
2x3y4(4 - 11x2y2)
1 - 25n2
(1 + 5n)(1 - 5n)
w2 - 16w +64
(w - 8)(w - 8)
(w - 8)2
c2 - 12c - 45
(c + 3)(c - 15)
2m2 - 4m + 2
2(m - 1)2
10a2b2 + 9ab2 - a2b
ab(10ab + 9b - a)
16x2 - 49y2
(4x + 7y)(4x - 7y)
p2 - 13p + 30
(p - 10)(p - 3)
a2 + 13a - 30
(a + 15)(a - 2)
x3 + 9x2 -52x
x(x + 13)(x - 4)
21m5n2 + 6m3n + 15m2
3m2(7m3n2 + 2mn +5)
196a2 - b2
(14a + b)(14a - b)
x2 + 6x + 9
(x + 3)(x + 3)
(x + 3)2
x2 - 27x - 90
(x + 3)(x - 30)
4y3 + 4y2 -120y
4y(y + 6)(y - 5)