(3a + b)(a - b)

(a - b)(3a + b + 3)

(b + 3)(a - b)

(a + b)³

(x - 4)(ax² - 1)

(ax² - 1)4

(4 - ax²)

(x - ax²)(1 - 4)

[a⁴/4 + 64/a⁶]

[a²/4 + 4/a²][a⁴/16 - 1 + 16/a⁴]

1

[4/a2]³

7p

(49p² - q²)

(q² - 49p²)

(7p - 9q)(7p + 9q)

(5m + 125m³)(27m + n)

(5m + 3n)(25m² - 15mn + 9n²)

125

3n + 27m

(2c - 7d)(4c² + 14cd + 49d²)

(2c - 8c³)343d

(8c³ - 2c)(7d + 49)

343 - 8c

(5a - 3b)(5a + 3b)

(5a + 3b)3a

0

(3a + 3b)

(x - 5)²

(x - 5)(x + 5)

(x + 5)(x + 5)

(x + 5)2

(6x + 4y)(216x³ - 64y³)

(6x - 4y)(36x² - 24xy - 16y²)

(6x - 4y)(36x² + 24xy + 16y²)

216x³

(x - y)(4 + 3x)

(x - y)(3x + y + 4)

(3x + y)4

(x - y)4