m^2-8m-10=0

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Solution for m^2-8m-10=0 equation:


Simplifying
m2 + -8m + -10 = 0

Reorder the terms:
-10 + -8m + m2 = 0

Solving
-10 + -8m + 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 + -8m + 10 + m2 = 0 + 10

Reorder the terms:
-10 + 10 + -8m + m2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -8m + m2 = 0 + 10
-8m + m2 = 0 + 10

Combine like terms: 0 + 10 = 10
-8m + m2 = 10

The m term is -8m.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8m + 16 + m2 = 10 + 16

Reorder the terms:
16 + -8m + m2 = 10 + 16

Combine like terms: 10 + 16 = 26
16 + -8m + m2 = 26

Factor a perfect square on the left side:
(m + -4)(m + -4) = 26

Calculate the square root of the right side: 5.099019514

Break this problem into two subproblems by setting 
(m + -4) equal to 5.099019514 and -5.099019514.

Subproblem 1

m + -4 = 5.099019514 Simplifying m + -4 = 5.099019514 Reorder the terms: -4 + m = 5.099019514 Solving -4 + m = 5.099019514 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + m = 5.099019514 + 4 Combine like terms: -4 + 4 = 0 0 + m = 5.099019514 + 4 m = 5.099019514 + 4 Combine like terms: 5.099019514 + 4 = 9.099019514 m = 9.099019514 Simplifying m = 9.099019514

Subproblem 2

m + -4 = -5.099019514 Simplifying m + -4 = -5.099019514 Reorder the terms: -4 + m = -5.099019514 Solving -4 + m = -5.099019514 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + m = -5.099019514 + 4 Combine like terms: -4 + 4 = 0 0 + m = -5.099019514 + 4 m = -5.099019514 + 4 Combine like terms: -5.099019514 + 4 = -1.099019514 m = -1.099019514 Simplifying m = -1.099019514

Solution

The solution to the problem is based on the solutions from the subproblems. m = {9.099019514, -1.099019514}

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