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9 December, 22:05

Simplify the expression (2x^2+6x-7) - (3x^2+3x-1) + (x-8)

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  1. 10 December, 01:39
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    = - x^2 + 4x - 14

    Step-by-step explanation:

    (2x^2+6x-7) - (3x^2+3x-1) + (x-8)

    = (2x^2+6x-7) - 3x^2 - 3x + 1 + (x-8)

    = (2x^2+6x-7) - 3x^2 - 3x + 1 + x-8

    = (2x^2+6x-7) - 3x^2 - 2x - 7

    = 2x^2+6x-7 - 3x^2 - 2x - 7

    = 2x^2+6x-7 - 3x^2 - 2x - 7

    = - x^2 + 4x - 14
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