x^2-40x+500=200

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Solution for x^2-40x+500=200 equation:


Simplifying
x2 + -40x + 500 = 200

Reorder the terms:
500 + -40x + x2 = 200

Solving
500 + -40x + x2 = 200

Solving for variable 'x'.

Reorder the terms:
500 + -200 + -40x + x2 = 200 + -200

Combine like terms: 500 + -200 = 300
300 + -40x + x2 = 200 + -200

Combine like terms: 200 + -200 = 0
300 + -40x + x2 = 0

Factor a trinomial.
(10 + -1x)(30 + -1x) = 0

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 '(30 + -1x)' equal to zero and attempt to solve: Simplifying 30 + -1x = 0 Solving 30 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + -30 + -1x = 0 + -30 Combine like terms: 30 + -30 = 0 0 + -1x = 0 + -30 -1x = 0 + -30 Combine like terms: 0 + -30 = -30 -1x = -30 Divide each side by '-1'. x = 30 Simplifying x = 30

Solution

x = {10, 30}

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