Question

Solve the equation. X^2 + 22x = -40 The solutions to the equation are

Answer 1

Answer:

$x_{1}=-2$

$x_{1}=-20$

Step-by-step explanation:

$x^2 + 22x = -40$

$x^2 + 22x+121 = -40+121$

Completing Square:

$(x+11)^2=81$

$x+11=\pm\sqrt{81}$

$x=-11\pm9$