5m^2-10m=511

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Solution for 5m^2-10m=511 equation:


Simplifying
5m2 + -10m = 511

Reorder the terms:
-10m + 5m2 = 511

Solving
-10m + 5m2 = 511

Solving for variable 'm'.

Reorder the terms:
-511 + -10m + 5m2 = 511 + -511

Combine like terms: 511 + -511 = 0
-511 + -10m + 5m2 = 0

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

Divide each side by '5'.
-102.2 + -2m + m2 = 0

Move the constant term to the right:

Add '102.2' to each side of the equation.
-102.2 + -2m + 102.2 + m2 = 0 + 102.2

Reorder the terms:
-102.2 + 102.2 + -2m + m2 = 0 + 102.2

Combine like terms: -102.2 + 102.2 = 0.0
0.0 + -2m + m2 = 0 + 102.2
-2m + m2 = 0 + 102.2

Combine like terms: 0 + 102.2 = 102.2
-2m + m2 = 102.2

The m term is -2m.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2m + 1 + m2 = 102.2 + 1

Reorder the terms:
1 + -2m + m2 = 102.2 + 1

Combine like terms: 102.2 + 1 = 103.2
1 + -2m + m2 = 103.2

Factor a perfect square on the left side:
(m + -1)(m + -1) = 103.2

Calculate the square root of the right side: 10.158740079

Break this problem into two subproblems by setting 
(m + -1) equal to 10.158740079 and -10.158740079.

Subproblem 1

m + -1 = 10.158740079 Simplifying m + -1 = 10.158740079 Reorder the terms: -1 + m = 10.158740079 Solving -1 + m = 10.158740079 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + m = 10.158740079 + 1 Combine like terms: -1 + 1 = 0 0 + m = 10.158740079 + 1 m = 10.158740079 + 1 Combine like terms: 10.158740079 + 1 = 11.158740079 m = 11.158740079 Simplifying m = 11.158740079

Subproblem 2

m + -1 = -10.158740079 Simplifying m + -1 = -10.158740079 Reorder the terms: -1 + m = -10.158740079 Solving -1 + m = -10.158740079 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + m = -10.158740079 + 1 Combine like terms: -1 + 1 = 0 0 + m = -10.158740079 + 1 m = -10.158740079 + 1 Combine like terms: -10.158740079 + 1 = -9.158740079 m = -9.158740079 Simplifying m = -9.158740079

Solution

The solution to the problem is based on the solutions from the subproblems. m = {11.158740079, -9.158740079}

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