49m^2+28m-4=0

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Solution for 49m^2+28m-4=0 equation:


Simplifying
49m2 + 28m + -4 = 0

Reorder the terms:
-4 + 28m + 49m2 = 0

Solving
-4 + 28m + 49m2 = 0

Solving for variable 'm'.

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

Divide each side by '49'.
-0.08163265306 + 0.5714285714m + m2 = 0

Move the constant term to the right:

Add '0.08163265306' to each side of the equation.
-0.08163265306 + 0.5714285714m + 0.08163265306 + m2 = 0 + 0.08163265306

Reorder the terms:
-0.08163265306 + 0.08163265306 + 0.5714285714m + m2 = 0 + 0.08163265306

Combine like terms: -0.08163265306 + 0.08163265306 = 0.00000000000
0.00000000000 + 0.5714285714m + m2 = 0 + 0.08163265306
0.5714285714m + m2 = 0 + 0.08163265306

Combine like terms: 0 + 0.08163265306 = 0.08163265306
0.5714285714m + m2 = 0.08163265306

The m term is 0.5714285714m.  Take half its coefficient (0.2857142857).
Square it (0.08163265305) and add it to both sides.

Add '0.08163265305' to each side of the equation.
0.5714285714m + 0.08163265305 + m2 = 0.08163265306 + 0.08163265305

Reorder the terms:
0.08163265305 + 0.5714285714m + m2 = 0.08163265306 + 0.08163265305

Combine like terms: 0.08163265306 + 0.08163265305 = 0.16326530611
0.08163265305 + 0.5714285714m + m2 = 0.16326530611

Factor a perfect square on the left side:
(m + 0.2857142857)(m + 0.2857142857) = 0.16326530611

Calculate the square root of the right side: 0.404061018

Break this problem into two subproblems by setting 
(m + 0.2857142857) equal to 0.404061018 and -0.404061018.

Subproblem 1

m + 0.2857142857 = 0.404061018 Simplifying m + 0.2857142857 = 0.404061018 Reorder the terms: 0.2857142857 + m = 0.404061018 Solving 0.2857142857 + m = 0.404061018 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-0.2857142857' to each side of the equation. 0.2857142857 + -0.2857142857 + m = 0.404061018 + -0.2857142857 Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000 0.0000000000 + m = 0.404061018 + -0.2857142857 m = 0.404061018 + -0.2857142857 Combine like terms: 0.404061018 + -0.2857142857 = 0.1183467323 m = 0.1183467323 Simplifying m = 0.1183467323

Subproblem 2

m + 0.2857142857 = -0.404061018 Simplifying m + 0.2857142857 = -0.404061018 Reorder the terms: 0.2857142857 + m = -0.404061018 Solving 0.2857142857 + m = -0.404061018 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-0.2857142857' to each side of the equation. 0.2857142857 + -0.2857142857 + m = -0.404061018 + -0.2857142857 Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000 0.0000000000 + m = -0.404061018 + -0.2857142857 m = -0.404061018 + -0.2857142857 Combine like terms: -0.404061018 + -0.2857142857 = -0.6897753037 m = -0.6897753037 Simplifying m = -0.6897753037

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.1183467323, -0.6897753037}

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