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30 March, 17:50

Subtract: (2x2 - 6x + 7) - (5x2 + 2x - 8).

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  1. 30 March, 18:31
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    2x^2 - 6x + 7 - (5x^2 + 2x - 8)

    Distributive a - 1 to each term in the parentheses.

    2x^2 - 6x + 7 - 5x^2 - 2x + 8

    Combine like terms.

    -3x^2 - 8x + 15 is the expression after being subtracted.
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