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6 April, 19:44

How do you factor the equation 7x^2=175?

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  1. 6 April, 19:47
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    7x^2 put them both on one side then u have 7x^2 - 175 = 0 then u factor it and u get 7 (x^2 - 25) = 0
  2. 6 April, 20:06
    0
    7x^2=175

    subtract 175 from both sides

    7x^2-175=0

    then factor out 7

    7 (x^2-25)

    so now it would be easy to figure out that

    (x^2-25) = (x+5) (x-5)

    so now the answer is

    7 (x-5) (x+5)
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