SOLUTION: x- 7square root of x+6=0. I must solve this equation(i.e. x=4 or6).

Question 88155: x- 7square root of x+6=0. I must solve this equation(i.e. x=4 or6).
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
it doesn't look like much like this: . However, let , which means that . We now can re-write this as: which is a quadratic you can solve by factorisation. Once you have your answers for y, put them into to find your values for x.

cheers
Jon