5x(5x-9)(9x+5)=0

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Solution for 5x(5x-9)(9x+5)=0 equation:


Simplifying
5x(5x + -9)(9x + 5) = 0

Reorder the terms:
5x(-9 + 5x)(9x + 5) = 0

Reorder the terms:
5x(-9 + 5x)(5 + 9x) = 0

Multiply (-9 + 5x) * (5 + 9x)
5x(-9(5 + 9x) + 5x * (5 + 9x)) = 0
5x((5 * -9 + 9x * -9) + 5x * (5 + 9x)) = 0
5x((-45 + -81x) + 5x * (5 + 9x)) = 0
5x(-45 + -81x + (5 * 5x + 9x * 5x)) = 0
5x(-45 + -81x + (25x + 45x2)) = 0

Combine like terms: -81x + 25x = -56x
5x(-45 + -56x + 45x2) = 0
(-45 * 5x + -56x * 5x + 45x2 * 5x) = 0
(-225x + -280x2 + 225x3) = 0

Solving
-225x + -280x2 + 225x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5x'.
5x(-45 + -56x + 45x2) = 0

Factor a trinomial.
5x((-5 + -9x)(9 + -5x)) = 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 '(-5 + -9x)' equal to zero and attempt to solve: Simplifying -5 + -9x = 0 Solving -5 + -9x = 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 + -9x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -9x = 0 + 5 -9x = 0 + 5 Combine like terms: 0 + 5 = 5 -9x = 5 Divide each side by '-9'. x = -0.5555555556 Simplifying x = -0.5555555556

Subproblem 3

Set the factor '(9 + -5x)' equal to zero and attempt to solve: Simplifying 9 + -5x = 0 Solving 9 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -5x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -5x = 0 + -9 -5x = 0 + -9 Combine like terms: 0 + -9 = -9 -5x = -9 Divide each side by '-5'. x = 1.8 Simplifying x = 1.8

Solution

x = {0, -0.5555555556, 1.8}

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