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1 September, 01:02

Subtract - 7x^2+1 from - 2x^2-4x

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  1. 1 September, 01:23
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    Answer:5x^2-4x-1

    Step-by-step explanation:

    -2x^2-4x - (-7x^2+1)

    -2x^2-4x+7x^2-1

    Collect like terms

    7x^2-2x^2-4x-1

    5x^2-4x-1
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