m^2-2m-10=0

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Solution for m^2-2m-10=0 equation:


Simplifying
m2 + -2m + -10 = 0

Reorder the terms:
-10 + -2m + m2 = 0

Solving
-10 + -2m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + -2m + 10 + m2 = 0 + 10

Reorder the terms:
-10 + 10 + -2m + m2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -2m + m2 = 0 + 10
-2m + m2 = 0 + 10

Combine like terms: 0 + 10 = 10
-2m + m2 = 10

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 = 10 + 1

Reorder the terms:
1 + -2m + m2 = 10 + 1

Combine like terms: 10 + 1 = 11
1 + -2m + m2 = 11

Factor a perfect square on the left side:
(m + -1)(m + -1) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(m + -1) equal to 3.31662479 and -3.31662479.

Subproblem 1

m + -1 = 3.31662479 Simplifying m + -1 = 3.31662479 Reorder the terms: -1 + m = 3.31662479 Solving -1 + m = 3.31662479 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 = 3.31662479 + 1 Combine like terms: -1 + 1 = 0 0 + m = 3.31662479 + 1 m = 3.31662479 + 1 Combine like terms: 3.31662479 + 1 = 4.31662479 m = 4.31662479 Simplifying m = 4.31662479

Subproblem 2

m + -1 = -3.31662479 Simplifying m + -1 = -3.31662479 Reorder the terms: -1 + m = -3.31662479 Solving -1 + m = -3.31662479 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 = -3.31662479 + 1 Combine like terms: -1 + 1 = 0 0 + m = -3.31662479 + 1 m = -3.31662479 + 1 Combine like terms: -3.31662479 + 1 = -2.31662479 m = -2.31662479 Simplifying m = -2.31662479

Solution

The solution to the problem is based on the solutions from the subproblems. m = {4.31662479, -2.31662479}

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