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14 June, 05:25

Combine and write in standard form. 2x (3x2 + 8x - 4) - 3 (2x2 + x - 5)

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  1. 14 June, 07:19
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    6x^3 + 10x^2 - 11x + 15

    Step-by-step explanation:

    2x (3x2 + 8x - 4) - 3 (2x2 + x - 5)

    Distribute

    6x^3 + 16x^2-8x - 6x^2 - 3x+15

    Combine like terms

    6x^3 + 16x^2 - 6x^2 - 3x-8x+15

    6x^3 + 10x^2 - 11x + 15

    Standard form is from highest to lowest power

    6x^3 + 10x^2 - 11x + 15
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