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30 April, 21:29

25x^2+30x+9=0

Solve using zero factor property

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Answers (1)
  1. 1 May, 00:19
    0
    25x^2+30x+9=0

    Factor:

    (5x+3) ^2=0

    Square root of both sides:

    5x+3=0

    Subtract 3 from both sides:

    5x=-3

    Divide both sides by 5:

    x=-3/5

    You can also check the answer:

    25 (-3/5) ^2+30 (-3/5) + 9

    9-18+9

    0
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