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27 October, 19:23

What does 2x^2-5=11+x^2 equal?

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  1. 27 October, 19:47
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    x1 = - 4 x2=4

    Step-by-step explanation:

    2x^2-5=11+x^2

    2x^2-x^2=11+5

    x^2=16

    x=+-4

    so its x = - 4 x=4
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