Factoring trinomials
Find the GCF: 3x2, 12x
3x
Factor: x2 - 36
(x - 6)(x + 6)
Factor: 4x2 - 16
(2x - 4)(2x + 4)
Factor: 81x4 - 100
(9x2 - 10)(9x2 + 10)
Find the GCF: 18x3, 32x2, 6x
2x
Factor: 144 - 121x6
(12 - 11x3)(12 + 11x3)
Factor completely: x4 - 81
(x2 + 9)(x + 3)(x - 3)
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