Question

What are the exact solutions of x2 = 5x + 2?

Answer 1

You can transpose the equation to the form:
\(ax^2+bx+c=0\)
and use the quadratic formula.

Answer 2

Recall the quadratic formula is:
\(\huge x=\frac{-b\pm\sqrt{b^2-4ac}}{2a} \)