m^2-25m=19

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Solution for m^2-25m=19 equation:


Simplifying
m2 + -25m = 19

Reorder the terms:
-25m + m2 = 19

Solving
-25m + m2 = 19

Solving for variable 'm'.

Reorder the terms:
-19 + -25m + m2 = 19 + -19

Combine like terms: 19 + -19 = 0
-19 + -25m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '19' to each side of the equation.
-19 + -25m + 19 + m2 = 0 + 19

Reorder the terms:
-19 + 19 + -25m + m2 = 0 + 19

Combine like terms: -19 + 19 = 0
0 + -25m + m2 = 0 + 19
-25m + m2 = 0 + 19

Combine like terms: 0 + 19 = 19
-25m + m2 = 19

The m term is -25m.  Take half its coefficient (-12.5).
Square it (156.25) and add it to both sides.

Add '156.25' to each side of the equation.
-25m + 156.25 + m2 = 19 + 156.25

Reorder the terms:
156.25 + -25m + m2 = 19 + 156.25

Combine like terms: 19 + 156.25 = 175.25
156.25 + -25m + m2 = 175.25

Factor a perfect square on the left side:
(m + -12.5)(m + -12.5) = 175.25

Calculate the square root of the right side: 13.238202295

Break this problem into two subproblems by setting 
(m + -12.5) equal to 13.238202295 and -13.238202295.

Subproblem 1

m + -12.5 = 13.238202295 Simplifying m + -12.5 = 13.238202295 Reorder the terms: -12.5 + m = 13.238202295 Solving -12.5 + m = 13.238202295 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '12.5' to each side of the equation. -12.5 + 12.5 + m = 13.238202295 + 12.5 Combine like terms: -12.5 + 12.5 = 0.0 0.0 + m = 13.238202295 + 12.5 m = 13.238202295 + 12.5 Combine like terms: 13.238202295 + 12.5 = 25.738202295 m = 25.738202295 Simplifying m = 25.738202295

Subproblem 2

m + -12.5 = -13.238202295 Simplifying m + -12.5 = -13.238202295 Reorder the terms: -12.5 + m = -13.238202295 Solving -12.5 + m = -13.238202295 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '12.5' to each side of the equation. -12.5 + 12.5 + m = -13.238202295 + 12.5 Combine like terms: -12.5 + 12.5 = 0.0 0.0 + m = -13.238202295 + 12.5 m = -13.238202295 + 12.5 Combine like terms: -13.238202295 + 12.5 = -0.738202295 m = -0.738202295 Simplifying m = -0.738202295

Solution

The solution to the problem is based on the solutions from the subproblems. m = {25.738202295, -0.738202295}

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