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9 November, 11:37

2a² - a - 13 = 2 I want to see the steps how its done

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  1. 9 November, 11:55
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    Step-by-step explanation:

    2a^-a-13=2

    Subtract 2 from both sides:

    2a^2-a-13=2=2-2

    2a^2-a-15=0

    Factor left side of the equation:

    (2a+5) (a-3) = 0

    Set factors equal to 0:

    2a+5=0 or a-3=0

    a=-5/2 or a=3
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