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Mathematics 23 Online
OpenStudy (anonymous):

multiply (9x+8)(2x^2+8x+7)

OpenStudy (anonymous):

\[18^{3} + 72x^{2} + 63x + 16x^{2} + 64x + 56\] Combine like terms: \[18x^{3} + 88x^{2} + 127x +56\]

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