4m^2-27m-4=0

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Solution for 4m^2-27m-4=0 equation:


Simplifying
4m2 + -27m + -4 = 0

Reorder the terms:
-4 + -27m + 4m2 = 0

Solving
-4 + -27m + 4m2 = 0

Solving for variable 'm'.

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

Divide each side by '4'.
-1 + -6.75m + m2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + -6.75m + 1 + m2 = 0 + 1

Reorder the terms:
-1 + 1 + -6.75m + m2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -6.75m + m2 = 0 + 1
-6.75m + m2 = 0 + 1

Combine like terms: 0 + 1 = 1
-6.75m + m2 = 1

The m term is -6.75m.  Take half its coefficient (-3.375).
Square it (11.390625) and add it to both sides.

Add '11.390625' to each side of the equation.
-6.75m + 11.390625 + m2 = 1 + 11.390625

Reorder the terms:
11.390625 + -6.75m + m2 = 1 + 11.390625

Combine like terms: 1 + 11.390625 = 12.390625
11.390625 + -6.75m + m2 = 12.390625

Factor a perfect square on the left side:
(m + -3.375)(m + -3.375) = 12.390625

Calculate the square root of the right side: 3.52003196

Break this problem into two subproblems by setting 
(m + -3.375) equal to 3.52003196 and -3.52003196.

Subproblem 1

m + -3.375 = 3.52003196 Simplifying m + -3.375 = 3.52003196 Reorder the terms: -3.375 + m = 3.52003196 Solving -3.375 + m = 3.52003196 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '3.375' to each side of the equation. -3.375 + 3.375 + m = 3.52003196 + 3.375 Combine like terms: -3.375 + 3.375 = 0.000 0.000 + m = 3.52003196 + 3.375 m = 3.52003196 + 3.375 Combine like terms: 3.52003196 + 3.375 = 6.89503196 m = 6.89503196 Simplifying m = 6.89503196

Subproblem 2

m + -3.375 = -3.52003196 Simplifying m + -3.375 = -3.52003196 Reorder the terms: -3.375 + m = -3.52003196 Solving -3.375 + m = -3.52003196 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '3.375' to each side of the equation. -3.375 + 3.375 + m = -3.52003196 + 3.375 Combine like terms: -3.375 + 3.375 = 0.000 0.000 + m = -3.52003196 + 3.375 m = -3.52003196 + 3.375 Combine like terms: -3.52003196 + 3.375 = -0.14503196 m = -0.14503196 Simplifying m = -0.14503196

Solution

The solution to the problem is based on the solutions from the subproblems. m = {6.89503196, -0.14503196}

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