m^2-70=14m

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Solution for m^2-70=14m equation:


Simplifying
m2 + -70 = 14m

Reorder the terms:
-70 + m2 = 14m

Solving
-70 + m2 = 14m

Solving for variable 'm'.

Reorder the terms:
-70 + -14m + m2 = 14m + -14m

Combine like terms: 14m + -14m = 0
-70 + -14m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '70' to each side of the equation.
-70 + -14m + 70 + m2 = 0 + 70

Reorder the terms:
-70 + 70 + -14m + m2 = 0 + 70

Combine like terms: -70 + 70 = 0
0 + -14m + m2 = 0 + 70
-14m + m2 = 0 + 70

Combine like terms: 0 + 70 = 70
-14m + m2 = 70

The m term is -14m.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14m + 49 + m2 = 70 + 49

Reorder the terms:
49 + -14m + m2 = 70 + 49

Combine like terms: 70 + 49 = 119
49 + -14m + m2 = 119

Factor a perfect square on the left side:
(m + -7)(m + -7) = 119

Calculate the square root of the right side: 10.908712115

Break this problem into two subproblems by setting 
(m + -7) equal to 10.908712115 and -10.908712115.

Subproblem 1

m + -7 = 10.908712115 Simplifying m + -7 = 10.908712115 Reorder the terms: -7 + m = 10.908712115 Solving -7 + m = 10.908712115 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + m = 10.908712115 + 7 Combine like terms: -7 + 7 = 0 0 + m = 10.908712115 + 7 m = 10.908712115 + 7 Combine like terms: 10.908712115 + 7 = 17.908712115 m = 17.908712115 Simplifying m = 17.908712115

Subproblem 2

m + -7 = -10.908712115 Simplifying m + -7 = -10.908712115 Reorder the terms: -7 + m = -10.908712115 Solving -7 + m = -10.908712115 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + m = -10.908712115 + 7 Combine like terms: -7 + 7 = 0 0 + m = -10.908712115 + 7 m = -10.908712115 + 7 Combine like terms: -10.908712115 + 7 = -3.908712115 m = -3.908712115 Simplifying m = -3.908712115

Solution

The solution to the problem is based on the solutions from the subproblems. m = {17.908712115, -3.908712115}

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