Question

Solve: $x^2+7x+6=0$

Answer 1

Given equation is $x^2+7x+6=0$

$x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

$a=1$

$b=7$

$c=6$

$x=\frac{-7\pm \sqrt{7^2-4\times 1\times 6}}{2}$

$x=\frac{-7\pm \sqrt{7^2-24}}{2}$

$x=\frac{-7\pm \sqrt{25}}{2}$

$x=\frac{-7\pm 5}{2}$

$x=-6$ or $x=-1$