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Mathematics 9 Online
OpenStudy (anonymous):

Use the grouping method to factor the polynomial below completely. 5x4 - 15x3 + 40x

OpenStudy (anonymous):

\[5x^4 -15x^3 +40x\] \[=>5x(x^3 -3x^2 + 8)\] \[=>5x(x^2(x-3) +8)\]

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