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30b^4 - 45b^3 - 10b^2 + 15b factor this expression with work please?
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30b^4 - 45b^3 - 10b^2 + 15b factor this expression with work please?

User Marcy
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1 Answer

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30b^4 - 45b^3 - 10b^2 + 15b \\ \\ GCF = 5b \\ \\ 5b ( (30b^4)/(5b) + (-45b^3)/(5b) + (-10b^2)/(5b) + (15b)/(5b)) \\ \\ 5b(6b^3 - 9b^2 - 2b + 3) \\ \\ 5b(3b^2(2b-3)-(2b-3)) \\ \\ 5b(2b - 3)(3b^2 - 1) \\ \\

The final result is: 5b(2b - 3)(2b² - 1).
User Thealeksandr
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