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OpenStudy (anonymous):
-4√x+9 (end of sqrt) = 20
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OpenStudy (anonymous):
\[-4\sqrt{x+9} = 20\]
OpenStudy (anonymous):
is this the question??
OpenStudy (anonymous):
Yes
OpenStudy (anonymous):
ok so squaring bothsides we get 16(x+9) = 400 x+9 = 400/16 x+9 = 25 x = 25 - 9 x = 16 --------------> required solution
OpenStudy (anonymous):
Thank you!
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OpenStudy (anonymous):
welcome
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