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12 March, 11:39

Write the quadratic equation in general form and then choose the value of "b." (2x - 1) (x + 5) = 0 9 10 11

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  1. 12 March, 11:55
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    Ax^2+bx+c=0

    expanded, that is the x term

    in

    (ax+c) (dx+e), the coefient of the b term is cd+ae

    so

    (2x-1) (1x+5)

    the b term is (-1) (1) + (2) (5) = - 1+10=9

    b is 9
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