A3 + B3 = (A + B)(A2 - AB + B2)
So, 8x3 + 125 = (2x)3 + 53
= (2x + 5)[(2x)2 - (2x)(5) + 52]
= (2x + 5)(4x2 - 10x + 25)
Hannnah K.
asked • 04/19/15factor out 8y^3+125
dont understand
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