0=x(9-x)

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Solution for 0=x(9-x) equation:


Simplifying
0 = x(9 + -1x)
0 = (9 * x + -1x * x)
0 = (9x + -1x2)

Solving
0 = 9x + -1x2

Solving for variable 'x'.
Remove the zero:
-9x + x2 = 9x + -1x2 + -9x + x2

Reorder the terms:
-9x + x2 = 9x + -9x + -1x2 + x2

Combine like terms: 9x + -9x = 0
-9x + x2 = 0 + -1x2 + x2
-9x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-9x + x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-9 + x) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-9 + x)' equal to zero and attempt to solve: Simplifying -9 + x = 0 Solving -9 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + x = 0 + 9 x = 0 + 9 Combine like terms: 0 + 9 = 9 x = 9 Simplifying x = 9

Solution

x = {0, 9}

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