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8 December, 20:53

What is 6b3 - 8b2 - 10b + 7 subtracted from 4b4 + 12b3 + 5b2 + 6?

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  1. 8 December, 20:55
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    4b^4 + 6b^3 + 13b^2 + 10b - 1

    Step-by-step explanation:

    4b^4 + 12b^3 + 5b^2 + 6 - (6b^3 - 8b^2 - 10b + 7)

    = 4b^4 + 12b^3 + 5b^2 + 6 - 6b^3 + 8b^2 + 10b - 7

    = 4b^4 + (12b^3 - 6b^3) + (5b^2 + 8b^2) + 10b + (6 - 7)

    = 4b^4 + 6b^3 + 13b^2 + 10b - 1
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