(5x + 15)
5(x + 3)
x^2 - 16
(x - 4)(x + 4)
x^2 + 6x + 9
(x + 3)^2
x^3 + 8
(x + 2)(x^2 - 2x + 4)
x^2 + 5x + 6
(x + 2)(x + 3)
4x^2 - 12x
4x(x - 3)
25a^2 - 49
(5a - 7)(5a + 7)
x^2 - 10x + 25
(x - 5)^2
y^3 - 27
(y - 3)(y^2 + 3y + 9)
x^2 - 7x + 12
(x - 3)(x - 4)
6a^3b + 9ab^2
3ab(2a^2 + 3b)
81m^2 - 100n^2
(9m - 10n)(9m + 10n)
4x^2 + 12x + 9
(2x + 3)^2
8a^3 + 125
(2a + 5)(4a^2 - 10a + 25)
x^2 + 2x - 15
(x + 5)(x - 3)
14x^4 - 21x^3 + 7x^2
7x^2(2x^2 - 3x + 1)
3x^2 - 75 (Hint: GCF first!)
3(x - 5)(x + 5)
9y^2 - 24y + 16
(3Y -4)^2
27x^3 - 64y^3
(3x - 4y)(9x^2 + 12xy + 16y^2)
2x^2 + 7x + 3
(2x + 1)(x + 3)
18p^3q^2 - 24p^2q^3 + 12pq
6pq(3p^2q - 4pq^2 + 2)
x^4 - 16 (Factor twice!)
(x^2 + 4)(x - 2)(x + 2)
25x^2 + 40xy + 16y^2
(5x + 4y)^2
2x^3 + 16(Hint: GCF first!)
2(x + 2)(x^2 - 2x + 4)
3x^2 - 10x - 8
(3x + 2)(x - 4)