0=440x-16000-x^2

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Solution for 0=440x-16000-x^2 equation:


Simplifying
0 = 440x + -16000 + -1x2

Reorder the terms:
0 = -16000 + 440x + -1x2

Solving
0 = -16000 + 440x + -1x2

Solving for variable 'x'.

Combine like terms: 0 + 16000 = 16000
16000 + -440x + x2 = -16000 + 440x + -1x2 + 16000 + -440x + x2

Reorder the terms:
16000 + -440x + x2 = -16000 + 16000 + 440x + -440x + -1x2 + x2

Combine like terms: -16000 + 16000 = 0
16000 + -440x + x2 = 0 + 440x + -440x + -1x2 + x2
16000 + -440x + x2 = 440x + -440x + -1x2 + x2

Combine like terms: 440x + -440x = 0
16000 + -440x + x2 = 0 + -1x2 + x2
16000 + -440x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
16000 + -440x + x2 = 0

Factor a trinomial.
(40 + -1x)(400 + -1x) = 0

Subproblem 1

Set the factor '(40 + -1x)' equal to zero and attempt to solve: Simplifying 40 + -1x = 0 Solving 40 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-40' to each side of the equation. 40 + -40 + -1x = 0 + -40 Combine like terms: 40 + -40 = 0 0 + -1x = 0 + -40 -1x = 0 + -40 Combine like terms: 0 + -40 = -40 -1x = -40 Divide each side by '-1'. x = 40 Simplifying x = 40

Subproblem 2

Set the factor '(400 + -1x)' equal to zero and attempt to solve: Simplifying 400 + -1x = 0 Solving 400 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-400' to each side of the equation. 400 + -400 + -1x = 0 + -400 Combine like terms: 400 + -400 = 0 0 + -1x = 0 + -400 -1x = 0 + -400 Combine like terms: 0 + -400 = -400 -1x = -400 Divide each side by '-1'. x = 400 Simplifying x = 400

Solution

x = {40, 400}

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