Question

What roots (solutions) would this quadratic equation have (use the quadratic formula)?

$$y=2x+5x^2+4\\ \overline{\phantom{....................}} \ 	ext{quadratic formula:}\x=\frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$$

Accepted Answer

$$x=\frac{-2 \pm i\sqrt{76}}{10} \$$

Answer

$$x=\frac{6.4 \pm i\sqrt{4.9}}{4.5} \$$

Quadratic Formula - Equation and Quadratic Formula to Complex Roots