(2x-3)(4x squared-x-10)=8x cubed-14 squared+Bx=30

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  1. What is the question? Are you supposed to solve for B?

    Is your second = (after BX) supposed to be a plus sign? I think so.

    The terms on the left multiply out to
    8x^3 -14 x^2 -23x +30

    Comparing that with what is on the right may tell you what B is.

    You need to be more careful reading your problems and stating your questions.

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