x(x-10)=200

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Solution for x(x-10)=200 equation:


Simplifying
x(x + -10) = 200

Reorder the terms:
x(-10 + x) = 200
(-10 * x + x * x) = 200
(-10x + x2) = 200

Solving
-10x + x2 = 200

Solving for variable 'x'.

Reorder the terms:
-200 + -10x + x2 = 200 + -200

Combine like terms: 200 + -200 = 0
-200 + -10x + x2 = 0

Factor a trinomial.
(-10 + -1x)(20 + -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 '(20 + -1x)' equal to zero and attempt to solve: Simplifying 20 + -1x = 0 Solving 20 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + -1x = 0 + -20 Combine like terms: 20 + -20 = 0 0 + -1x = 0 + -20 -1x = 0 + -20 Combine like terms: 0 + -20 = -20 -1x = -20 Divide each side by '-1'. x = 20 Simplifying x = 20

Solution

x = {-10, 20}

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