4m^2-227m-40=0

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Solution for 4m^2-227m-40=0 equation:


Simplifying
4m2 + -227m + -40 = 0

Reorder the terms:
-40 + -227m + 4m2 = 0

Solving
-40 + -227m + 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'.
-10 + -56.75m + m2 = 0

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + -56.75m + 10 + m2 = 0 + 10

Reorder the terms:
-10 + 10 + -56.75m + m2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -56.75m + m2 = 0 + 10
-56.75m + m2 = 0 + 10

Combine like terms: 0 + 10 = 10
-56.75m + m2 = 10

The m term is -56.75m.  Take half its coefficient (-28.375).
Square it (805.140625) and add it to both sides.

Add '805.140625' to each side of the equation.
-56.75m + 805.140625 + m2 = 10 + 805.140625

Reorder the terms:
805.140625 + -56.75m + m2 = 10 + 805.140625

Combine like terms: 10 + 805.140625 = 815.140625
805.140625 + -56.75m + m2 = 815.140625

Factor a perfect square on the left side:
(m + -28.375)(m + -28.375) = 815.140625

Calculate the square root of the right side: 28.55066768

Break this problem into two subproblems by setting 
(m + -28.375) equal to 28.55066768 and -28.55066768.

Subproblem 1

m + -28.375 = 28.55066768 Simplifying m + -28.375 = 28.55066768 Reorder the terms: -28.375 + m = 28.55066768 Solving -28.375 + m = 28.55066768 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '28.375' to each side of the equation. -28.375 + 28.375 + m = 28.55066768 + 28.375 Combine like terms: -28.375 + 28.375 = 0.000 0.000 + m = 28.55066768 + 28.375 m = 28.55066768 + 28.375 Combine like terms: 28.55066768 + 28.375 = 56.92566768 m = 56.92566768 Simplifying m = 56.92566768

Subproblem 2

m + -28.375 = -28.55066768 Simplifying m + -28.375 = -28.55066768 Reorder the terms: -28.375 + m = -28.55066768 Solving -28.375 + m = -28.55066768 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '28.375' to each side of the equation. -28.375 + 28.375 + m = -28.55066768 + 28.375 Combine like terms: -28.375 + 28.375 = 0.000 0.000 + m = -28.55066768 + 28.375 m = -28.55066768 + 28.375 Combine like terms: -28.55066768 + 28.375 = -0.17566768 m = -0.17566768 Simplifying m = -0.17566768

Solution

The solution to the problem is based on the solutions from the subproblems. m = {56.92566768, -0.17566768}

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