x^2-8x+20=20

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Solution for x^2-8x+20=20 equation: 


Simplifying
x2 + -8x + 20 = 20

Reorder the terms:
20 + -8x + x2 = 20

Add '-20' to each side of the equation.
20 + -8x + -20 + x2 = 20 + -20

Reorder the terms:
20 + -20 + -8x + x2 = 20 + -20

Combine like terms: 20 + -20 = 0
0 + -8x + x2 = 20 + -20
-8x + x2 = 20 + -20

Combine like terms: 20 + -20 = 0
-8x + x2 = 0

Solving
-8x + x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-8 + 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 '(-8 + x)' equal to zero and attempt to solve:

Simplifying
-8 + x = 0

Solving
-8 + x = 0

Move all terms containing x to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + 8 + x = 0 + 8

Combine like terms: -8 + 8 = 0
0 + x = 0 + 8
x = 0 + 8

Combine like terms: 0 + 8 = 8
x = 8

Simplifying
x = 8
Solution
x = {0, 8}

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