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

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


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

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

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

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

Combine like terms: -5x + 15x = 10x
(-15 + 10x + 5x2) = 0

Solving
-15 + 10x + 5x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5'.
5(-3 + 2x + x2) = 0

Factor a trinomial.
5((-3 + -1x)(1 + -1x)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

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 = {-3, 1}

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