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

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


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

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

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

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

Combine like terms: 1x + -10x = -9x
2x(-5 + -9x + 2x2) = 0
(-5 * 2x + -9x * 2x + 2x2 * 2x) = 0
(-10x + -18x2 + 4x3) = 0

Solving
-10x + -18x2 + 4x3 = 0

Solving for variable 'x'.

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

Factor a trinomial.
2x((-1 + -2x)(5 + -1x)) = 0

Ignore the factor 2.

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 + -2x)' equal to zero and attempt to solve: Simplifying -1 + -2x = 0 Solving -1 + -2x = 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 + -2x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2x = 0 + 1 -2x = 0 + 1 Combine like terms: 0 + 1 = 1 -2x = 1 Divide each side by '-2'. x = -0.5 Simplifying x = -0.5

Subproblem 3

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

Solution

x = {0, -0.5, 5}

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