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yrivers36

  • 2 years ago

Please help with explanations. I know that I have to square both sides. sqrt of x =sqrt of x-5) +1

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  1. dpaInc
    • 2 years ago
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    sqrt(x) =sqrt(x-5) +1 sqrt(x) - 1 = sqrt(x-5) square both sides: x - 2sqrtx + 1 = x - 5 -2sqrtx = -6 sqrtx = 3 x = 9 now check this solution if it is a solution..

  2. dpaInc
    • 2 years ago
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    i'll explain if you need 'em..

  3. yrivers36
    • 2 years ago
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    im confused with x-2sqrt +1=x-5

  4. dpaInc
    • 2 years ago
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    ok...

  5. dpaInc
    • 2 years ago
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    |dw:1332629739131:dw|

  6. dpaInc
    • 2 years ago
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    this is just squaring the left side. the right side should be obvious... maybe?

  7. yrivers36
    • 2 years ago
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    yup I got it. had a few numbers in wrong spot

  8. dpaInc
    • 2 years ago
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    so are you good to the last line, x = 9? you need to check this...

  9. yrivers36
    • 2 years ago
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    I checked and it works

  10. dpaInc
    • 2 years ago
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    nevermind. it does work. sorry! :)

  11. yrivers36
    • 2 years ago
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    no problem thank you for your help

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