# What are the solutions of x^2+14x=-49?

Oct 31, 2016

x=-7

#### Explanation:

${x}^{2} + 14 x = - 49$

Add 49 to both sides of the equation.

${x}^{2} + 14 x + 49 = 0$

Factorise:

$\left(x + 7\right) \left(x + 7\right) = 0$

Now, when $x = - 7 ,$ you get 0.