Solve the equation
To solve an equation like this, it helps to recognize that . You can substitute and solve it as a normal quadratic equation:
Let and substitute:
You can solve this equation either with the quadratic formula, or with inspection:
Now you split the two equations, one with a positive root in the numerator and one with a negative root in the numerator:
At the end you put these values back in the substitution to find the values for :
The answer you get is then , , and .