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What is the Correct expansion of (2x + 3) (2x^2 - 5)

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  1. 7 June, 22:29
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    step-by-step:

    1. distribute 2x into the second set of brackets

    = (4x^3 - 10x) + 3 (2x^2 - 5)

    2. distribute 3 into the brackets

    = 4x^3 - 10x + 6x^2 - 15

    3. reorder terms in means of highest degree

    = 4x^3 + 6x^2 - 10x - 15
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