x=4x(.1x)

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Solution for x=4x(.1x) equation:


Simplifying
x = 4x(0.1x)

Remove parenthesis around (0.1x)
x = 4x * 0.1x

Reorder the terms for easier multiplication:
x = 4 * 0.1x * x

Multiply 4 * 0.1
x = 0.4x * x

Multiply x * x
x = 0.4x2

Solving
x = 0.4x2

Solving for variable 'x'.

Combine like terms: 0.4x2 + -0.4x2 = 0.0
x + -0.4x2 = 0.0

Factor out the Greatest Common Factor (GCF), 'x'.
x(1 + -0.4x) = 0.0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(1 + -0.4x)' equal to zero and attempt to solve: Simplifying 1 + -0.4x = 0 Solving 1 + -0.4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -0.4x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -0.4x = 0 + -1 -0.4x = 0 + -1 Combine like terms: 0 + -1 = -1 -0.4x = -1 Divide each side by '-0.4'. x = 2.5 Simplifying x = 2.5

Solution

x = {0, 2.5}

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