7m^2=m+5

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Solution for 7m^2=m+5 equation:


Simplifying
7m2 = m + 5

Reorder the terms:
7m2 = 5 + m

Solving
7m2 = 5 + m

Solving for variable 'm'.

Reorder the terms:
-5 + -1m + 7m2 = 5 + m + -5 + -1m

Reorder the terms:
-5 + -1m + 7m2 = 5 + -5 + m + -1m

Combine like terms: 5 + -5 = 0
-5 + -1m + 7m2 = 0 + m + -1m
-5 + -1m + 7m2 = m + -1m

Combine like terms: m + -1m = 0
-5 + -1m + 7m2 = 0

Begin completing the square.  Divide all terms by
7 the coefficient of the squared term: 

Divide each side by '7'.
-0.7142857143 + -0.1428571429m + m2 = 0

Move the constant term to the right:

Add '0.7142857143' to each side of the equation.
-0.7142857143 + -0.1428571429m + 0.7142857143 + m2 = 0 + 0.7142857143

Reorder the terms:
-0.7142857143 + 0.7142857143 + -0.1428571429m + m2 = 0 + 0.7142857143

Combine like terms: -0.7142857143 + 0.7142857143 = 0.0000000000
0.0000000000 + -0.1428571429m + m2 = 0 + 0.7142857143
-0.1428571429m + m2 = 0 + 0.7142857143

Combine like terms: 0 + 0.7142857143 = 0.7142857143
-0.1428571429m + m2 = 0.7142857143

The m term is -0.1428571429m.  Take half its coefficient (-0.07142857145).
Square it (0.005102040819) and add it to both sides.

Add '0.005102040819' to each side of the equation.
-0.1428571429m + 0.005102040819 + m2 = 0.7142857143 + 0.005102040819

Reorder the terms:
0.005102040819 + -0.1428571429m + m2 = 0.7142857143 + 0.005102040819

Combine like terms: 0.7142857143 + 0.005102040819 = 0.719387755119
0.005102040819 + -0.1428571429m + m2 = 0.719387755119

Factor a perfect square on the left side:
(m + -0.07142857145)(m + -0.07142857145) = 0.719387755119

Calculate the square root of the right side: 0.848167292

Break this problem into two subproblems by setting 
(m + -0.07142857145) equal to 0.848167292 and -0.848167292.

Subproblem 1

m + -0.07142857145 = 0.848167292 Simplifying m + -0.07142857145 = 0.848167292 Reorder the terms: -0.07142857145 + m = 0.848167292 Solving -0.07142857145 + m = 0.848167292 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.07142857145' to each side of the equation. -0.07142857145 + 0.07142857145 + m = 0.848167292 + 0.07142857145 Combine like terms: -0.07142857145 + 0.07142857145 = 0.00000000000 0.00000000000 + m = 0.848167292 + 0.07142857145 m = 0.848167292 + 0.07142857145 Combine like terms: 0.848167292 + 0.07142857145 = 0.91959586345 m = 0.91959586345 Simplifying m = 0.91959586345

Subproblem 2

m + -0.07142857145 = -0.848167292 Simplifying m + -0.07142857145 = -0.848167292 Reorder the terms: -0.07142857145 + m = -0.848167292 Solving -0.07142857145 + m = -0.848167292 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.07142857145' to each side of the equation. -0.07142857145 + 0.07142857145 + m = -0.848167292 + 0.07142857145 Combine like terms: -0.07142857145 + 0.07142857145 = 0.00000000000 0.00000000000 + m = -0.848167292 + 0.07142857145 m = -0.848167292 + 0.07142857145 Combine like terms: -0.848167292 + 0.07142857145 = -0.77673872055 m = -0.77673872055 Simplifying m = -0.77673872055

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.91959586345, -0.77673872055}

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