5*x(x+5)=1500

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Solution for 5*x(x+5)=1500 equation:


Simplifying
5x(x + 5) = 1500

Reorder the terms:
5x(5 + x) = 1500
(5 * 5x + x * 5x) = 1500
(25x + 5x2) = 1500

Solving
25x + 5x2 = 1500

Solving for variable 'x'.

Reorder the terms:
-1500 + 25x + 5x2 = 1500 + -1500

Combine like terms: 1500 + -1500 = 0
-1500 + 25x + 5x2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-300 + 5x + x2) = 0

Factor a trinomial.
5((-20 + -1x)(15 + -1x)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-20 + -1x)' equal to zero and attempt to solve: Simplifying -20 + -1x = 0 Solving -20 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + -1x = 0 + 20 Combine like terms: -20 + 20 = 0 0 + -1x = 0 + 20 -1x = 0 + 20 Combine like terms: 0 + 20 = 20 -1x = 20 Divide each side by '-1'. x = -20 Simplifying x = -20

Subproblem 2

Set the factor '(15 + -1x)' equal to zero and attempt to solve: Simplifying 15 + -1x = 0 Solving 15 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -1x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -1x = 0 + -15 -1x = 0 + -15 Combine like terms: 0 + -15 = -15 -1x = -15 Divide each side by '-1'. x = 15 Simplifying x = 15

Solution

x = {-20, 15}

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