14m^2+1=6m^2+7m+5

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Solution for 14m^2+1=6m^2+7m+5 equation:


Simplifying
14m2 + 1 = 6m2 + 7m + 5

Reorder the terms:
1 + 14m2 = 6m2 + 7m + 5

Reorder the terms:
1 + 14m2 = 5 + 7m + 6m2

Solving
1 + 14m2 = 5 + 7m + 6m2

Solving for variable 'm'.

Reorder the terms:
1 + -5 + -7m + 14m2 + -6m2 = 5 + 7m + 6m2 + -5 + -7m + -6m2

Combine like terms: 1 + -5 = -4
-4 + -7m + 14m2 + -6m2 = 5 + 7m + 6m2 + -5 + -7m + -6m2

Combine like terms: 14m2 + -6m2 = 8m2
-4 + -7m + 8m2 = 5 + 7m + 6m2 + -5 + -7m + -6m2

Reorder the terms:
-4 + -7m + 8m2 = 5 + -5 + 7m + -7m + 6m2 + -6m2

Combine like terms: 5 + -5 = 0
-4 + -7m + 8m2 = 0 + 7m + -7m + 6m2 + -6m2
-4 + -7m + 8m2 = 7m + -7m + 6m2 + -6m2

Combine like terms: 7m + -7m = 0
-4 + -7m + 8m2 = 0 + 6m2 + -6m2
-4 + -7m + 8m2 = 6m2 + -6m2

Combine like terms: 6m2 + -6m2 = 0
-4 + -7m + 8m2 = 0

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

Divide each side by '8'.
-0.5 + -0.875m + m2 = 0

Move the constant term to the right:

Add '0.5' to each side of the equation.
-0.5 + -0.875m + 0.5 + m2 = 0 + 0.5

Reorder the terms:
-0.5 + 0.5 + -0.875m + m2 = 0 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + -0.875m + m2 = 0 + 0.5
-0.875m + m2 = 0 + 0.5

Combine like terms: 0 + 0.5 = 0.5
-0.875m + m2 = 0.5

The m term is -0.875m.  Take half its coefficient (-0.4375).
Square it (0.19140625) and add it to both sides.

Add '0.19140625' to each side of the equation.
-0.875m + 0.19140625 + m2 = 0.5 + 0.19140625

Reorder the terms:
0.19140625 + -0.875m + m2 = 0.5 + 0.19140625

Combine like terms: 0.5 + 0.19140625 = 0.69140625
0.19140625 + -0.875m + m2 = 0.69140625

Factor a perfect square on the left side:
(m + -0.4375)(m + -0.4375) = 0.69140625

Calculate the square root of the right side: 0.831508418

Break this problem into two subproblems by setting 
(m + -0.4375) equal to 0.831508418 and -0.831508418.

Subproblem 1

m + -0.4375 = 0.831508418 Simplifying m + -0.4375 = 0.831508418 Reorder the terms: -0.4375 + m = 0.831508418 Solving -0.4375 + m = 0.831508418 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.4375' to each side of the equation. -0.4375 + 0.4375 + m = 0.831508418 + 0.4375 Combine like terms: -0.4375 + 0.4375 = 0.0000 0.0000 + m = 0.831508418 + 0.4375 m = 0.831508418 + 0.4375 Combine like terms: 0.831508418 + 0.4375 = 1.269008418 m = 1.269008418 Simplifying m = 1.269008418

Subproblem 2

m + -0.4375 = -0.831508418 Simplifying m + -0.4375 = -0.831508418 Reorder the terms: -0.4375 + m = -0.831508418 Solving -0.4375 + m = -0.831508418 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.4375' to each side of the equation. -0.4375 + 0.4375 + m = -0.831508418 + 0.4375 Combine like terms: -0.4375 + 0.4375 = 0.0000 0.0000 + m = -0.831508418 + 0.4375 m = -0.831508418 + 0.4375 Combine like terms: -0.831508418 + 0.4375 = -0.394008418 m = -0.394008418 Simplifying m = -0.394008418

Solution

The solution to the problem is based on the solutions from the subproblems. m = {1.269008418, -0.394008418}

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