16m^2-1=40m

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Solution for 16m^2-1=40m equation:


Simplifying
16m2 + -1 = 40m

Reorder the terms:
-1 + 16m2 = 40m

Solving
-1 + 16m2 = 40m

Solving for variable 'm'.

Reorder the terms:
-1 + -40m + 16m2 = 40m + -40m

Combine like terms: 40m + -40m = 0
-1 + -40m + 16m2 = 0

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

Divide each side by '16'.
-0.0625 + -2.5m + m2 = 0

Move the constant term to the right:

Add '0.0625' to each side of the equation.
-0.0625 + -2.5m + 0.0625 + m2 = 0 + 0.0625

Reorder the terms:
-0.0625 + 0.0625 + -2.5m + m2 = 0 + 0.0625

Combine like terms: -0.0625 + 0.0625 = 0.0000
0.0000 + -2.5m + m2 = 0 + 0.0625
-2.5m + m2 = 0 + 0.0625

Combine like terms: 0 + 0.0625 = 0.0625
-2.5m + m2 = 0.0625

The m term is -2.5m.  Take half its coefficient (-1.25).
Square it (1.5625) and add it to both sides.

Add '1.5625' to each side of the equation.
-2.5m + 1.5625 + m2 = 0.0625 + 1.5625

Reorder the terms:
1.5625 + -2.5m + m2 = 0.0625 + 1.5625

Combine like terms: 0.0625 + 1.5625 = 1.625
1.5625 + -2.5m + m2 = 1.625

Factor a perfect square on the left side:
(m + -1.25)(m + -1.25) = 1.625

Calculate the square root of the right side: 1.274754878

Break this problem into two subproblems by setting 
(m + -1.25) equal to 1.274754878 and -1.274754878.

Subproblem 1

m + -1.25 = 1.274754878 Simplifying m + -1.25 = 1.274754878 Reorder the terms: -1.25 + m = 1.274754878 Solving -1.25 + m = 1.274754878 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + m = 1.274754878 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + m = 1.274754878 + 1.25 m = 1.274754878 + 1.25 Combine like terms: 1.274754878 + 1.25 = 2.524754878 m = 2.524754878 Simplifying m = 2.524754878

Subproblem 2

m + -1.25 = -1.274754878 Simplifying m + -1.25 = -1.274754878 Reorder the terms: -1.25 + m = -1.274754878 Solving -1.25 + m = -1.274754878 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + m = -1.274754878 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + m = -1.274754878 + 1.25 m = -1.274754878 + 1.25 Combine like terms: -1.274754878 + 1.25 = -0.024754878 m = -0.024754878 Simplifying m = -0.024754878

Solution

The solution to the problem is based on the solutions from the subproblems. m = {2.524754878, -0.024754878}

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