(x+30)*x=8800

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Solution for (x+30)*x=8800 equation:


Simplifying
(x + 30) * x = 8800

Reorder the terms:
(30 + x) * x = 8800

Reorder the terms for easier multiplication:
x(30 + x) = 8800
(30 * x + x * x) = 8800
(30x + x2) = 8800

Solving
30x + x2 = 8800

Solving for variable 'x'.

Reorder the terms:
-8800 + 30x + x2 = 8800 + -8800

Combine like terms: 8800 + -8800 = 0
-8800 + 30x + x2 = 0

Factor a trinomial.
(-110 + -1x)(80 + -1x) = 0

Subproblem 1

Set the factor '(-110 + -1x)' equal to zero and attempt to solve: Simplifying -110 + -1x = 0 Solving -110 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '110' to each side of the equation. -110 + 110 + -1x = 0 + 110 Combine like terms: -110 + 110 = 0 0 + -1x = 0 + 110 -1x = 0 + 110 Combine like terms: 0 + 110 = 110 -1x = 110 Divide each side by '-1'. x = -110 Simplifying x = -110

Subproblem 2

Set the factor '(80 + -1x)' equal to zero and attempt to solve: Simplifying 80 + -1x = 0 Solving 80 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-80' to each side of the equation. 80 + -80 + -1x = 0 + -80 Combine like terms: 80 + -80 = 0 0 + -1x = 0 + -80 -1x = 0 + -80 Combine like terms: 0 + -80 = -80 -1x = -80 Divide each side by '-1'. x = 80 Simplifying x = 80

Solution

x = {-110, 80}

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