0=-12x^2+1080x-21600

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Solution for 0=-12x^2+1080x-21600 equation:


Simplifying
0 = -12x2 + 1080x + -21600

Reorder the terms:
0 = -21600 + 1080x + -12x2

Solving
0 = -21600 + 1080x + -12x2

Solving for variable 'x'.

Combine like terms: 0 + 21600 = 21600
21600 + -1080x + 12x2 = -21600 + 1080x + -12x2 + 21600 + -1080x + 12x2

Reorder the terms:
21600 + -1080x + 12x2 = -21600 + 21600 + 1080x + -1080x + -12x2 + 12x2

Combine like terms: -21600 + 21600 = 0
21600 + -1080x + 12x2 = 0 + 1080x + -1080x + -12x2 + 12x2
21600 + -1080x + 12x2 = 1080x + -1080x + -12x2 + 12x2

Combine like terms: 1080x + -1080x = 0
21600 + -1080x + 12x2 = 0 + -12x2 + 12x2
21600 + -1080x + 12x2 = -12x2 + 12x2

Combine like terms: -12x2 + 12x2 = 0
21600 + -1080x + 12x2 = 0

Factor out the Greatest Common Factor (GCF), '12'.
12(1800 + -90x + x2) = 0

Factor a trinomial.
12((30 + -1x)(60 + -1x)) = 0

Ignore the factor 12.

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 '(60 + -1x)' equal to zero and attempt to solve: Simplifying 60 + -1x = 0 Solving 60 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-60' to each side of the equation. 60 + -60 + -1x = 0 + -60 Combine like terms: 60 + -60 = 0 0 + -1x = 0 + -60 -1x = 0 + -60 Combine like terms: 0 + -60 = -60 -1x = -60 Divide each side by '-1'. x = 60 Simplifying x = 60

Solution

x = {30, 60}

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