-1.4m+0.1=-4.9m^2

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Solution for -1.4m+0.1=-4.9m^2 equation:


Simplifying
-1.4m + 0.1 = -4.9m2

Reorder the terms:
0.1 + -1.4m = -4.9m2

Solving
0.1 + -1.4m = -4.9m2

Solving for variable 'm'.

Combine like terms: -4.9m2 + 4.9m2 = 0.0
0.1 + -1.4m + 4.9m2 = 0.0

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

Divide each side by '4.9'.
0.02040816327 + -0.2857142857m + m2 = 0

Move the constant term to the right:

Add '-0.02040816327' to each side of the equation.
0.02040816327 + -0.2857142857m + -0.02040816327 + m2 = 0 + -0.02040816327

Reorder the terms:
0.02040816327 + -0.02040816327 + -0.2857142857m + m2 = 0 + -0.02040816327

Combine like terms: 0.02040816327 + -0.02040816327 = 0.00000000000
0.00000000000 + -0.2857142857m + m2 = 0 + -0.02040816327
-0.2857142857m + m2 = 0 + -0.02040816327

Combine like terms: 0 + -0.02040816327 = -0.02040816327
-0.2857142857m + m2 = -0.02040816327

The m term is -0.2857142857m.  Take half its coefficient (-0.1428571429).
Square it (0.02040816328) and add it to both sides.

Add '0.02040816328' to each side of the equation.
-0.2857142857m + 0.02040816328 + m2 = -0.02040816327 + 0.02040816328

Reorder the terms:
0.02040816328 + -0.2857142857m + m2 = -0.02040816327 + 0.02040816328

Combine like terms: -0.02040816327 + 0.02040816328 = 0.00000000001
0.02040816328 + -0.2857142857m + m2 = 0.00000000001

Factor a perfect square on the left side:
(m + -0.1428571429)(m + -0.1428571429) = 0.00000000001

Calculate the square root of the right side: 0.000003162

Break this problem into two subproblems by setting 
(m + -0.1428571429) equal to 0.000003162 and -0.000003162.

Subproblem 1

m + -0.1428571429 = 0.000003162 Simplifying m + -0.1428571429 = 0.000003162 Reorder the terms: -0.1428571429 + m = 0.000003162 Solving -0.1428571429 + m = 0.000003162 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.1428571429' to each side of the equation. -0.1428571429 + 0.1428571429 + m = 0.000003162 + 0.1428571429 Combine like terms: -0.1428571429 + 0.1428571429 = 0.0000000000 0.0000000000 + m = 0.000003162 + 0.1428571429 m = 0.000003162 + 0.1428571429 Combine like terms: 0.000003162 + 0.1428571429 = 0.1428603049 m = 0.1428603049 Simplifying m = 0.1428603049

Subproblem 2

m + -0.1428571429 = -0.000003162 Simplifying m + -0.1428571429 = -0.000003162 Reorder the terms: -0.1428571429 + m = -0.000003162 Solving -0.1428571429 + m = -0.000003162 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.1428571429' to each side of the equation. -0.1428571429 + 0.1428571429 + m = -0.000003162 + 0.1428571429 Combine like terms: -0.1428571429 + 0.1428571429 = 0.0000000000 0.0000000000 + m = -0.000003162 + 0.1428571429 m = -0.000003162 + 0.1428571429 Combine like terms: -0.000003162 + 0.1428571429 = 0.1428539809 m = 0.1428539809 Simplifying m = 0.1428539809

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.1428603049, 0.1428539809}

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