Show that x = −3 is a solution of


Show that $x=-3$ is a solution of $x^{2}+6 x+9=0$.


Given that the equation $x^{2}+6 x+9=0$

$x^{2}+3 x+3 x+9=0$




Square root both side, we get



Therefore, $x=-3$ is the solution of given equation.

Hence, proved.

Leave a comment


Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now