Respuesta :

Answer:

x   = 4 , − 6

Step-by-step explanation:

Answer:

x=4,-6

Step-by-step explanation:

Add 24 to both sides.

x2+2x=24

Plug in 4

4^2+2(4)=24

Solve

16+8=24

24=24

Add 24 to both sides.

x^2+2x=24

Plug in -6

-6^2+2(-6)=24

Solve

36-12=24

24=24