Respuesta :

Step 1: Subtract -2 from both sides.
m2
+4m
(−2)
=−2(−2)

m2
+4m
+2
=0

Step 2: Use quadratic formula with a=1, b=4, c=2.
m=−b±b24ac2a

m=(4)±(4)24(1)(2)2(1)

m=−4±√82

m=−2+√2 or m
=−2√2

Answer: There's two solutions to this problem:

1. m =(4-√8)/2=2-√ 2 = 0.586

2. m =(4+√8)/2=2+√ 2 = 3.414