(5x-5)(9x+3)=0

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Solution for (5x-5)(9x+3)=0 equation:


Simplifying
(5x + -5)(9x + 3) = 0

Reorder the terms:
(-5 + 5x)(9x + 3) = 0

Reorder the terms:
(-5 + 5x)(3 + 9x) = 0

Multiply (-5 + 5x) * (3 + 9x)
(-5(3 + 9x) + 5x * (3 + 9x)) = 0
((3 * -5 + 9x * -5) + 5x * (3 + 9x)) = 0
((-15 + -45x) + 5x * (3 + 9x)) = 0
(-15 + -45x + (3 * 5x + 9x * 5x)) = 0
(-15 + -45x + (15x + 45x2)) = 0

Combine like terms: -45x + 15x = -30x
(-15 + -30x + 45x2) = 0

Solving
-15 + -30x + 45x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '15'.
15(-1 + -2x + 3x2) = 0

Factor a trinomial.
15((-1 + -3x)(1 + -1x)) = 0

Ignore the factor 15.

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

Solution

x = {-0.3333333333, 1}

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