x(x-5)=300

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Solution for x(x-5)=300 equation:


Simplifying
x(x + -5) = 300

Reorder the terms:
x(-5 + x) = 300
(-5 * x + x * x) = 300
(-5x + x2) = 300

Solving
-5x + x2 = 300

Solving for variable 'x'.

Reorder the terms:
-300 + -5x + x2 = 300 + -300

Combine like terms: 300 + -300 = 0
-300 + -5x + x2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {-15, 20}

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