(2x-1)(9x+3)=0

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Solution for (2x-1)(9x+3)=0 equation:


Simplifying
(2x + -1)(9x + 3) = 0

Reorder the terms:
(-1 + 2x)(9x + 3) = 0

Reorder the terms:
(-1 + 2x)(3 + 9x) = 0

Multiply (-1 + 2x) * (3 + 9x)
(-1(3 + 9x) + 2x * (3 + 9x)) = 0
((3 * -1 + 9x * -1) + 2x * (3 + 9x)) = 0
((-3 + -9x) + 2x * (3 + 9x)) = 0
(-3 + -9x + (3 * 2x + 9x * 2x)) = 0
(-3 + -9x + (6x + 18x2)) = 0

Combine like terms: -9x + 6x = -3x
(-3 + -3x + 18x2) = 0

Solving
-3 + -3x + 18x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-1 + -1x + 6x2) = 0

Factor a trinomial.
3((-1 + -3x)(1 + -2x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-1 + -3x)' equal to zero and attempt to solve: Simplifying -1 + -3x = 0 Solving -1 + -3x = 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 + -3x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -3x = 0 + 1 -3x = 0 + 1 Combine like terms: 0 + 1 = 1 -3x = 1 Divide each side by '-3'. x = -0.3333333333 Simplifying x = -0.3333333333

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

Solution

x = {-0.3333333333, 0.5}

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