m^2+5m-4=

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Solution for m^2+5m-4= equation: 


Simplifying
m2 + 5m + -4 = 0

Reorder the terms:
-4 + 5m + m2 = 0

Solving
-4 + 5m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + 5m + 4 + m2 = 0 + 4

Reorder the terms:
-4 + 4 + 5m + m2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 5m + m2 = 0 + 4
5m + m2 = 0 + 4

Combine like terms: 0 + 4 = 4
5m + m2 = 4

The m term is 5m.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5m + 6.25 + m2 = 4 + 6.25

Reorder the terms:
6.25 + 5m + m2 = 4 + 6.25

Combine like terms: 4 + 6.25 = 10.25
6.25 + 5m + m2 = 10.25

Factor a perfect square on the left side:
(m + 2.5)(m + 2.5) = 10.25

Calculate the square root of the right side: 3.201562119

Break this problem into two subproblems by setting 
(m + 2.5) equal to 3.201562119 and -3.201562119.


Subproblem 1
m + 2.5 = 3.201562119

Simplifying
m + 2.5 = 3.201562119

Reorder the terms:
2.5 + m = 3.201562119

Solving
2.5 + m = 3.201562119

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-2.5' to each side of the equation.
2.5 + -2.5 + m = 3.201562119 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + m = 3.201562119 + -2.5
m = 3.201562119 + -2.5

Combine like terms: 3.201562119 + -2.5 = 0.701562119
m = 0.701562119

Simplifying
m = 0.701562119


Subproblem 2
m + 2.5 = -3.201562119

Simplifying
m + 2.5 = -3.201562119

Reorder the terms:
2.5 + m = -3.201562119

Solving
2.5 + m = -3.201562119

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-2.5' to each side of the equation.
2.5 + -2.5 + m = -3.201562119 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + m = -3.201562119 + -2.5
m = -3.201562119 + -2.5

Combine like terms: -3.201562119 + -2.5 = -5.701562119
m = -5.701562119

Simplifying
m = -5.701562119


Solution
The solution to the problem is based on the solutions
from the subproblems.
m = {0.701562119, -5.701562119}

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