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OpenStudy (anonymous):
solve the following equation by using square roots, (x+10)^2=81
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OpenStudy (anonymous):
Take the squareroot of both sides. The left side will have x + 10. the right side will be 9 then you will have the equation x + 10 = 9. I think you can solve it from here
OpenStudy (zarkon):
\[x+10=\pm 9\]
OpenStudy (anonymous):
thank you so the answer is x+10=+/- 9
OpenStudy (zarkon):
\[x=-10\pm 9\] x=-1 or -19
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