0=-x^2+2400x-1400000

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Solution for 0=-x^2+2400x-1400000 equation:


Simplifying
0 = -1x2 + 2400x + -1400000

Reorder the terms:
0 = -1400000 + 2400x + -1x2

Solving
0 = -1400000 + 2400x + -1x2

Solving for variable 'x'.

Combine like terms: 0 + 1400000 = 1400000
1400000 + -2400x + x2 = -1400000 + 2400x + -1x2 + 1400000 + -2400x + x2

Reorder the terms:
1400000 + -2400x + x2 = -1400000 + 1400000 + 2400x + -2400x + -1x2 + x2

Combine like terms: -1400000 + 1400000 = 0
1400000 + -2400x + x2 = 0 + 2400x + -2400x + -1x2 + x2
1400000 + -2400x + x2 = 2400x + -2400x + -1x2 + x2

Combine like terms: 2400x + -2400x = 0
1400000 + -2400x + x2 = 0 + -1x2 + x2
1400000 + -2400x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
1400000 + -2400x + x2 = 0

Factor a trinomial.
(1000 + -1x)(1400 + -1x) = 0

Subproblem 1

Set the factor '(1000 + -1x)' equal to zero and attempt to solve: Simplifying 1000 + -1x = 0 Solving 1000 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1000' to each side of the equation. 1000 + -1000 + -1x = 0 + -1000 Combine like terms: 1000 + -1000 = 0 0 + -1x = 0 + -1000 -1x = 0 + -1000 Combine like terms: 0 + -1000 = -1000 -1x = -1000 Divide each side by '-1'. x = 1000 Simplifying x = 1000

Subproblem 2

Set the factor '(1400 + -1x)' equal to zero and attempt to solve: Simplifying 1400 + -1x = 0 Solving 1400 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1400' to each side of the equation. 1400 + -1400 + -1x = 0 + -1400 Combine like terms: 1400 + -1400 = 0 0 + -1x = 0 + -1400 -1x = 0 + -1400 Combine like terms: 0 + -1400 = -1400 -1x = -1400 Divide each side by '-1'. x = 1400 Simplifying x = 1400

Solution

x = {1000, 1400}

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