L^2+0.04L-0.000322=0

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Solution for L^2+0.04L-0.000322=0 equation:


Simplifying
L2 + 0.04L + -0.000322 = 0

Reorder the terms:
-0.000322 + 0.04L + L2 = 0

Solving
-0.000322 + 0.04L + L2 = 0

Solving for variable 'L'.

Begin completing the square.

Move the constant term to the right:

Add '0.000322' to each side of the equation.
-0.000322 + 0.04L + 0.000322 + L2 = 0 + 0.000322

Reorder the terms:
-0.000322 + 0.000322 + 0.04L + L2 = 0 + 0.000322

Combine like terms: -0.000322 + 0.000322 = 0.000000
0.000000 + 0.04L + L2 = 0 + 0.000322
0.04L + L2 = 0 + 0.000322

Combine like terms: 0 + 0.000322 = 0.000322
0.04L + L2 = 0.000322

The L term is 0.04L.  Take half its coefficient (0.02).
Square it (0.0004) and add it to both sides.

Add '0.0004' to each side of the equation.
0.04L + 0.0004 + L2 = 0.000322 + 0.0004

Reorder the terms:
0.0004 + 0.04L + L2 = 0.000322 + 0.0004

Combine like terms: 0.000322 + 0.0004 = 0.000722
0.0004 + 0.04L + L2 = 0.000722

Factor a perfect square on the left side:
(L + 0.02)(L + 0.02) = 0.000722

Calculate the square root of the right side: 0.026870058

Break this problem into two subproblems by setting 
(L + 0.02) equal to 0.026870058 and -0.026870058.

Subproblem 1

L + 0.02 = 0.026870058 Simplifying L + 0.02 = 0.026870058 Reorder the terms: 0.02 + L = 0.026870058 Solving 0.02 + L = 0.026870058 Solving for variable 'L'. Move all terms containing L to the left, all other terms to the right. Add '-0.02' to each side of the equation. 0.02 + -0.02 + L = 0.026870058 + -0.02 Combine like terms: 0.02 + -0.02 = 0.00 0.00 + L = 0.026870058 + -0.02 L = 0.026870058 + -0.02 Combine like terms: 0.026870058 + -0.02 = 0.006870058 L = 0.006870058 Simplifying L = 0.006870058

Subproblem 2

L + 0.02 = -0.026870058 Simplifying L + 0.02 = -0.026870058 Reorder the terms: 0.02 + L = -0.026870058 Solving 0.02 + L = -0.026870058 Solving for variable 'L'. Move all terms containing L to the left, all other terms to the right. Add '-0.02' to each side of the equation. 0.02 + -0.02 + L = -0.026870058 + -0.02 Combine like terms: 0.02 + -0.02 = 0.00 0.00 + L = -0.026870058 + -0.02 L = -0.026870058 + -0.02 Combine like terms: -0.026870058 + -0.02 = -0.046870058 L = -0.046870058 Simplifying L = -0.046870058

Solution

The solution to the problem is based on the solutions from the subproblems. L = {0.006870058, -0.046870058}

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