3-5x(3x+x)=5x+3

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Solution for 3-5x(3x+x)=5x+3 equation:


Simplifying
3 + -5x(3x + x) = 5x + 3

Combine like terms: 3x + x = 4x
3 + -5x(4x) = 5x + 3

Remove parenthesis around (4x)
3 + -5x * 4x = 5x + 3

Reorder the terms for easier multiplication:
3 + -5 * 4x * x = 5x + 3

Multiply -5 * 4
3 + -20x * x = 5x + 3

Multiply x * x
3 + -20x2 = 5x + 3

Reorder the terms:
3 + -20x2 = 3 + 5x

Add '-3' to each side of the equation.
3 + -3 + -20x2 = 3 + -3 + 5x

Combine like terms: 3 + -3 = 0
0 + -20x2 = 3 + -3 + 5x
-20x2 = 3 + -3 + 5x

Combine like terms: 3 + -3 = 0
-20x2 = 0 + 5x
-20x2 = 5x

Solving
-20x2 = 5x

Solving for variable 'x'.

Reorder the terms:
-5x + -20x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-5x + -20x2 = 0

Factor out the Greatest Common Factor (GCF), '-5x'.
-5x(1 + 4x) = 0

Ignore the factor -5.

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 + 4x)' equal to zero and attempt to solve: Simplifying 1 + 4x = 0 Solving 1 + 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 + 4x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 4x = 0 + -1 4x = 0 + -1 Combine like terms: 0 + -1 = -1 4x = -1 Divide each side by '4'. x = -0.25 Simplifying x = -0.25

Solution

x = {0, -0.25}

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