second order equation

label Algebra
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x2+5x+6=0

Jun 18th, 2015

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Jun 18th, 2015

  • x2 + 5x + 6 = 0.

    First thing I have to do is factor:

    x2 + 5x + 6 = (x + 2)(x + 3)

    Set this equal to zero:

    (x + 2)(x + 3) = 0

    Solve each factor:

    x + 2 = 0 or x + 3 = 0 

    x = –2  or x = – 3

    The solution to x2 + 5x + 6 = 0 is x = –3, –2


Jun 18th, 2015

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Jun 18th, 2015
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Jun 18th, 2015
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