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30 December, 14:43

How do you simplify this equation (12y squared + 5y-6) - (9x squared - 3x-4) + 11

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  1. 30 December, 15:08
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    12y^2+5y-9x^2+3x+9

    Step-by-step explanation:

    (12y^2+5y-6) - (9x^2-3x-4) + 11

    12y^2+5y-6-9x^2+3x+4+11

    12y^2+5y-9x^2+3x-6+4+11

    12y^2+5y-9x^2+3x-2+11

    12y^2+5y-9x^2+3x+9
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