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2 June, 10:37

Which expression is equivalent to 2x2 + (4x-6x2) + 9 - (6x+3)

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  1. 2 June, 11:14
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    -4x^2 - 2x+6

    Step-by-step explanation:

    2x^2 + (4x-6x^2) + 9 - (6x+3)

    Distribute the minus sign

    2x^2+4x-6x^2+9-6x-3

    Combine like terms

    2x^2 - 6x^2 + 4x - 6x + 9-3

    -4x^2 - 2x+6
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