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OpenStudy (anonymous):
I need an explanation, thanks in advance!(√x-5)=4
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OpenStudy (loser66):
square both sides, what do you have?
OpenStudy (anonymous):
x^2-25=16
OpenStudy (loser66):
don't forget that the left hand side is a square root, so that if you square it, just the square root "disappear" REDO
OpenStudy (anonymous):
x-5=16 then +5 to both sides?
OpenStudy (anonymous):
@Loser66
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OpenStudy (loser66):
yup
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