m^2-4m-93=0

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Solution for m^2-4m-93=0 equation:


Simplifying
m2 + -4m + -93 = 0

Reorder the terms:
-93 + -4m + m2 = 0

Solving
-93 + -4m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '93' to each side of the equation.
-93 + -4m + 93 + m2 = 0 + 93

Reorder the terms:
-93 + 93 + -4m + m2 = 0 + 93

Combine like terms: -93 + 93 = 0
0 + -4m + m2 = 0 + 93
-4m + m2 = 0 + 93

Combine like terms: 0 + 93 = 93
-4m + m2 = 93

The m term is -4m.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4m + 4 + m2 = 93 + 4

Reorder the terms:
4 + -4m + m2 = 93 + 4

Combine like terms: 93 + 4 = 97
4 + -4m + m2 = 97

Factor a perfect square on the left side:
(m + -2)(m + -2) = 97

Calculate the square root of the right side: 9.848857802

Break this problem into two subproblems by setting 
(m + -2) equal to 9.848857802 and -9.848857802.

Subproblem 1

m + -2 = 9.848857802 Simplifying m + -2 = 9.848857802 Reorder the terms: -2 + m = 9.848857802 Solving -2 + m = 9.848857802 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + m = 9.848857802 + 2 Combine like terms: -2 + 2 = 0 0 + m = 9.848857802 + 2 m = 9.848857802 + 2 Combine like terms: 9.848857802 + 2 = 11.848857802 m = 11.848857802 Simplifying m = 11.848857802

Subproblem 2

m + -2 = -9.848857802 Simplifying m + -2 = -9.848857802 Reorder the terms: -2 + m = -9.848857802 Solving -2 + m = -9.848857802 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + m = -9.848857802 + 2 Combine like terms: -2 + 2 = 0 0 + m = -9.848857802 + 2 m = -9.848857802 + 2 Combine like terms: -9.848857802 + 2 = -7.848857802 m = -7.848857802 Simplifying m = -7.848857802

Solution

The solution to the problem is based on the solutions from the subproblems. m = {11.848857802, -7.848857802}

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