What is the solution set for x2+12x=-11

Step-by-step explanation:

x^2 + 12x = -11

x^2 + 12x + 11 = 0

(x + 1)(x + 11) = 0

x + 1 = 0         x + 11 = 0

x = -1              x = -11

x = -1, x = -11

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2