61800=6400x-18x^2-400

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Solution for 61800=6400x-18x^2-400 equation:


Simplifying
61800 = 6400x + -18x2 + -400

Reorder the terms:
61800 = -400 + 6400x + -18x2

Solving
61800 = -400 + 6400x + -18x2

Solving for variable 'x'.

Combine like terms: 61800 + 400 = 62200
62200 + -6400x + 18x2 = -400 + 6400x + -18x2 + 400 + -6400x + 18x2

Reorder the terms:
62200 + -6400x + 18x2 = -400 + 400 + 6400x + -6400x + -18x2 + 18x2

Combine like terms: -400 + 400 = 0
62200 + -6400x + 18x2 = 0 + 6400x + -6400x + -18x2 + 18x2
62200 + -6400x + 18x2 = 6400x + -6400x + -18x2 + 18x2

Combine like terms: 6400x + -6400x = 0
62200 + -6400x + 18x2 = 0 + -18x2 + 18x2
62200 + -6400x + 18x2 = -18x2 + 18x2

Combine like terms: -18x2 + 18x2 = 0
62200 + -6400x + 18x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(31100 + -3200x + 9x2) = 0

Factor a trinomial.
2((10 + -1x)(3110 + -9x)) = 0

Ignore the factor 2.

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 '(3110 + -9x)' equal to zero and attempt to solve: Simplifying 3110 + -9x = 0 Solving 3110 + -9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3110' to each side of the equation. 3110 + -3110 + -9x = 0 + -3110 Combine like terms: 3110 + -3110 = 0 0 + -9x = 0 + -3110 -9x = 0 + -3110 Combine like terms: 0 + -3110 = -3110 -9x = -3110 Divide each side by '-9'. x = 345.5555556 Simplifying x = 345.5555556

Solution

x = {10, 345.5555556}

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