OpenStudy (anonymous):

(x^2+13)^1/2=7

4 years ago
OpenStudy (anonymous):

(x^2+13)^1/2=7 x^2 + 13 = 7^2 x^2 = 49-13 x^2 = 36 x = +36 or x = -36

4 years ago
OpenStudy (anonymous):

i got x=-6 and x=6

4 years ago
OpenStudy (anonymous):

yes, my bad. i forgot to take the square root. :)

4 years ago
OpenStudy (anonymous):

ohh ok thank you so much

4 years ago
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