SOLUTION: 72xcubed - 64x sq.+9x-8

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Question 385972: 72xcubed - 64x sq.+9x-8
Answer by scott8148(6628) About Me  (Show Source):
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grouping ___ (72x^3 - 64x^2) + (9x - 8)

factoring ___ 8x^2(9x - 8) + 1(9x - 8)

rearranging ___ (8x^2 + 1)(9x - 8)