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Algebra 2

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(2v-7)^(1/2)=v-3

  • Algebra 2 - ,

    do this one just like Reiny showed you earlier on

    (18-n)^(1/2)=(n/8)^(1/2)

  • Algebra 2 - ,

    I tried to but I could not get it. Please help me.

  • Algebra 2 - ,

    ok - first square both sides

    (2v-7) = (v-3)^2
    2v - 7 = v^2 - 6v + 9
    v^2 - 8v + 16 = 0
    (v-4)^2 = 0
    v = 4

    check:
    √(8-7) = 4-3
    yes

  • Algebra 2 - ,

    Thank you!

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