0=-3x^2+138x-1080

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Solution for 0=-3x^2+138x-1080 equation:


Simplifying
0 = -3x2 + 138x + -1080

Reorder the terms:
0 = -1080 + 138x + -3x2

Solving
0 = -1080 + 138x + -3x2

Solving for variable 'x'.

Combine like terms: 0 + 1080 = 1080
1080 + -138x + 3x2 = -1080 + 138x + -3x2 + 1080 + -138x + 3x2

Reorder the terms:
1080 + -138x + 3x2 = -1080 + 1080 + 138x + -138x + -3x2 + 3x2

Combine like terms: -1080 + 1080 = 0
1080 + -138x + 3x2 = 0 + 138x + -138x + -3x2 + 3x2
1080 + -138x + 3x2 = 138x + -138x + -3x2 + 3x2

Combine like terms: 138x + -138x = 0
1080 + -138x + 3x2 = 0 + -3x2 + 3x2
1080 + -138x + 3x2 = -3x2 + 3x2

Combine like terms: -3x2 + 3x2 = 0
1080 + -138x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(360 + -46x + x2) = 0

Factor a trinomial.
3((10 + -1x)(36 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Divide each side by '-1'. x = 10 Simplifying x = 10

Subproblem 2

Set the factor '(36 + -1x)' equal to zero and attempt to solve: Simplifying 36 + -1x = 0 Solving 36 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-36' to each side of the equation. 36 + -36 + -1x = 0 + -36 Combine like terms: 36 + -36 = 0 0 + -1x = 0 + -36 -1x = 0 + -36 Combine like terms: 0 + -36 = -36 -1x = -36 Divide each side by '-1'. x = 36 Simplifying x = 36

Solution

x = {10, 36}

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