200=100+200x-100x^2

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Solution for 200=100+200x-100x^2 equation:


Simplifying
200 = 100 + 200x + -100x2

Solving
200 = 100 + 200x + -100x2

Solving for variable 'x'.

Combine like terms: 200 + -100 = 100
100 + -200x + 100x2 = 100 + 200x + -100x2 + -100 + -200x + 100x2

Reorder the terms:
100 + -200x + 100x2 = 100 + -100 + 200x + -200x + -100x2 + 100x2

Combine like terms: 100 + -100 = 0
100 + -200x + 100x2 = 0 + 200x + -200x + -100x2 + 100x2
100 + -200x + 100x2 = 200x + -200x + -100x2 + 100x2

Combine like terms: 200x + -200x = 0
100 + -200x + 100x2 = 0 + -100x2 + 100x2
100 + -200x + 100x2 = -100x2 + 100x2

Combine like terms: -100x2 + 100x2 = 0
100 + -200x + 100x2 = 0

Factor out the Greatest Common Factor (GCF), '100'.
100(1 + -2x + x2) = 0

Factor a trinomial.
100((1 + -1x)(1 + -1x)) = 0

Ignore the factor 100.

Subproblem 1

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

Subproblem 2

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

Solution

x = {1, 1}

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