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6 April, 14:16

How to solve - 3 (2x+5) (x^2-3x+2)

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  1. 6 April, 14:25
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    -3 (2x+5) (x^2-3x+2)

    For first bracket

    -3 x 2x = - 6x

    -3 x 5 = - 15

    Therefore simplified:

    -6x - 15 (x^2 - 3x + 2)

    Simplify second bracket

    -15 * x^2 = - 15x^2

    -15 x - 3x = 45x

    -15 x 2 = - 30

    Therefore

    -6x - 15 - 15x^2 + 45x - 30

    Now bring all like times together

    -6x + 45x - 15 - 30 - 15x^2

    Then simplify for answer

    -39x - 45 - 15x^2
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