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OpenStudy (happykiddo):
solve the equation by finding the square root x^2-9=0 i got x=4 + or - √4
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OpenStudy (anonymous):
how did you get 4...
OpenStudy (anonymous):
i think you meant to type 3
OpenStudy (anonymous):
|dw:1360110109271:dw| to solve by square root; get the x^2 term by itself and take the square root of each side.
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