((0.03-x)*(0.02-x))=0

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Solution for ((0.03-x)*(0.02-x))=0 equation:


Simplifying
((0.03 + -1x)(0.02 + -1x)) = 0

Multiply (0.03 + -1x) * (0.02 + -1x)
((0.03(0.02 + -1x) + -1x * (0.02 + -1x))) = 0
(((0.02 * 0.03 + -1x * 0.03) + -1x * (0.02 + -1x))) = 0
(((0.0006 + -0.03x) + -1x * (0.02 + -1x))) = 0
((0.0006 + -0.03x + (0.02 * -1x + -1x * -1x))) = 0
((0.0006 + -0.03x + (-0.02x + 1x2))) = 0

Combine like terms: -0.03x + -0.02x = -0.05x
((0.0006 + -0.05x + 1x2)) = 0
(0.0006 + -0.05x + 1x2) = 0

Remove parenthesis around (0.0006 + -0.05x + 1x2)
0.0006 + -0.05x + 1x2 = 0

Solving
0.0006 + -0.05x + 1x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-0.0006' to each side of the equation.
0.0006 + -0.05x + -0.0006 + x2 = 0 + -0.0006

Reorder the terms:
0.0006 + -0.0006 + -0.05x + x2 = 0 + -0.0006

Combine like terms: 0.0006 + -0.0006 = 0.0000
0.0000 + -0.05x + x2 = 0 + -0.0006
-0.05x + x2 = 0 + -0.0006

Combine like terms: 0 + -0.0006 = -0.0006
-0.05x + x2 = -0.0006

The x term is -0.05x.  Take half its coefficient (-0.025).
Square it (0.000625) and add it to both sides.

Add '0.000625' to each side of the equation.
-0.05x + 0.000625 + x2 = -0.0006 + 0.000625

Reorder the terms:
0.000625 + -0.05x + x2 = -0.0006 + 0.000625

Combine like terms: -0.0006 + 0.000625 = 0.000025
0.000625 + -0.05x + x2 = 0.000025

Factor a perfect square on the left side:
(x + -0.025)(x + -0.025) = 0.000025

Calculate the square root of the right side: 0.005

Break this problem into two subproblems by setting 
(x + -0.025) equal to 0.005 and -0.005.

Subproblem 1

x + -0.025 = 0.005 Simplifying x + -0.025 = 0.005 Reorder the terms: -0.025 + x = 0.005 Solving -0.025 + x = 0.005 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.025' to each side of the equation. -0.025 + 0.025 + x = 0.005 + 0.025 Combine like terms: -0.025 + 0.025 = 0.000 0.000 + x = 0.005 + 0.025 x = 0.005 + 0.025 Combine like terms: 0.005 + 0.025 = 0.03 x = 0.03 Simplifying x = 0.03

Subproblem 2

x + -0.025 = -0.005 Simplifying x + -0.025 = -0.005 Reorder the terms: -0.025 + x = -0.005 Solving -0.025 + x = -0.005 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.025' to each side of the equation. -0.025 + 0.025 + x = -0.005 + 0.025 Combine like terms: -0.025 + 0.025 = 0.000 0.000 + x = -0.005 + 0.025 x = -0.005 + 0.025 Combine like terms: -0.005 + 0.025 = 0.02 x = 0.02 Simplifying x = 0.02

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.03, 0.02}

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