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

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


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

Reorder the terms:
5(3 + x) + -5x(x + 3) = 0
(3 * 5 + x * 5) + -5x(x + 3) = 0
(15 + 5x) + -5x(x + 3) = 0

Reorder the terms:
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 + -1x2) = 0

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

Ignore the factor 5.

Subproblem 1

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

Subproblem 2

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {1, -3}

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