3x^2 + 2 = 11 - x^2
Add x^2 to both sides and subtract 2 from both sides.
Now, it should be easy to solve for x [you will need to square root both sides eventually].
3x^2 + 2 = 11 - x^2
Add x^2 to both sides and subtract 2 from both sides.
Now, it should be easy to solve for x [you will need to square root both sides eventually].