x(x+2)=360

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Solution for x(x+2)=360 equation:


Simplifying
x(x + 2) = 360

Reorder the terms:
x(2 + x) = 360
(2 * x + x * x) = 360
(2x + x2) = 360

Solving
2x + x2 = 360

Solving for variable 'x'.

Reorder the terms:
-360 + 2x + x2 = 360 + -360

Combine like terms: 360 + -360 = 0
-360 + 2x + x2 = 0

Factor a trinomial.
(-20 + -1x)(18 + -1x) = 0

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 '(18 + -1x)' equal to zero and attempt to solve: Simplifying 18 + -1x = 0 Solving 18 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + -1x = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -1x = 0 + -18 -1x = 0 + -18 Combine like terms: 0 + -18 = -18 -1x = -18 Divide each side by '-1'. x = 18 Simplifying x = 18

Solution

x = {-20, 18}

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