### Home > A2C > Chapter 9 > Lesson 9.2.3 > Problem9-110

9-110.

You are given the equation $5x^{2} + bx + 20 = 0$. For what values of $b$ does this equation have real solutions?

$x=\frac{-b\pm\sqrt{b^{2}-4(5)(20)}}{2(5)}$