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Thanks for those who answered my previous question! I have just one more: x^2-625=0, what is the GCF? How is it deterimined? It does not appear to me that there is one. How would it then be factored and have the zero-product powers applied?

Then, what about 120x^2-34x-21=0 (The same procedures as the one above) Thank you so much again.

  • Algebra -

    for x^2 - 625 =0
    it factors to (x+25)(x-25)= 0

    take it from there


    I used the formula to find the solutions of x=7/12 and x=-3/10

    so the factored form must be
    (12x-7)(10x+3) = 0

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