Question

Find the roots of the following quadratic equation by factorisation
$x^2+x-6=0$

Answer 1

$x^2+x-6=0$

or, $x^2+3x-2x-6=0$

or, $(x+3)(x-2)=0$

or, $x=-3,2$.

So $-3$ and $2$ are the roots of the given equation.