SOLUTION: Square root3x^2+10=7

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Question 985806: Square root3x^2+10=7
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
.
sqrt%283x%5E2%2B10%29 = 7,     -----> square both sides ----->

3x%5E2 + 10 = 49,

3x%5E2 = 49-10,

3x%5E2 = 39,

x%5E2 = 39%2F3 = 13.

x = +/- sqrt%2813%29.