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25 October, 22:02

Add: (-2x^2 + 9x - 3) + (7x^2 - 4x + 2)

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  1. 26 October, 01:46
    0
    5x^2+5x-1

    Step-by-step explanation:

    -2x^2+9x-3+7x^2-4x+2=5x^2+5x-1
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