(x)(x-18)=1440

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Solution for (x)(x-18)=1440 equation:


Simplifying
(x)(x + -18) = 1440

Reorder the terms:
x(-18 + x) = 1440
(-18 * x + x * x) = 1440
(-18x + x2) = 1440

Solving
-18x + x2 = 1440

Solving for variable 'x'.

Reorder the terms:
-1440 + -18x + x2 = 1440 + -1440

Combine like terms: 1440 + -1440 = 0
-1440 + -18x + x2 = 0

Factor a trinomial.
(-30 + -1x)(48 + -1x) = 0

Subproblem 1

Set the factor '(-30 + -1x)' equal to zero and attempt to solve: Simplifying -30 + -1x = 0 Solving -30 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '30' to each side of the equation. -30 + 30 + -1x = 0 + 30 Combine like terms: -30 + 30 = 0 0 + -1x = 0 + 30 -1x = 0 + 30 Combine like terms: 0 + 30 = 30 -1x = 30 Divide each side by '-1'. x = -30 Simplifying x = -30

Subproblem 2

Set the factor '(48 + -1x)' equal to zero and attempt to solve: Simplifying 48 + -1x = 0 Solving 48 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-48' to each side of the equation. 48 + -48 + -1x = 0 + -48 Combine like terms: 48 + -48 = 0 0 + -1x = 0 + -48 -1x = 0 + -48 Combine like terms: 0 + -48 = -48 -1x = -48 Divide each side by '-1'. x = 48 Simplifying x = 48

Solution

x = {-30, 48}

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