x(x+2)(5x-1)=0

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Solution for x(x+2)(5x-1)=0 equation:


Simplifying
x(x + 2)(5x + -1) = 0

Reorder the terms:
x(2 + x)(5x + -1) = 0

Reorder the terms:
x(2 + x)(-1 + 5x) = 0

Multiply (2 + x) * (-1 + 5x)
x(2(-1 + 5x) + x(-1 + 5x)) = 0
x((-1 * 2 + 5x * 2) + x(-1 + 5x)) = 0
x((-2 + 10x) + x(-1 + 5x)) = 0
x(-2 + 10x + (-1 * x + 5x * x)) = 0
x(-2 + 10x + (-1x + 5x2)) = 0

Combine like terms: 10x + -1x = 9x
x(-2 + 9x + 5x2) = 0
(-2 * x + 9x * x + 5x2 * x) = 0
(-2x + 9x2 + 5x3) = 0

Solving
-2x + 9x2 + 5x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-2 + 9x + 5x2) = 0

Factor a trinomial.
x((-2 + -1x)(1 + -5x)) = 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 '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 3

Set the factor '(1 + -5x)' equal to zero and attempt to solve: Simplifying 1 + -5x = 0 Solving 1 + -5x = 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 + -5x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -5x = 0 + -1 -5x = 0 + -1 Combine like terms: 0 + -1 = -1 -5x = -1 Divide each side by '-5'. x = 0.2 Simplifying x = 0.2

Solution

x = {0, -2, 0.2}

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