Question

Solve using formula.
$x^2+6x+5=0$.

Answer 1

$x^2+6x+5=0$

Solution of $a{x}^2+bx+c$ are $x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

$\Rightarrow$ Here, $x=\frac{-6\pm \sqrt{36-20}}{2}=\frac{-6\pm \sqrt{16}}{2}=\frac{-6\pm 4}{2}$

$\Rightarrow x=-5$ or $x=-1$