(20-2x)(16-2x)=0

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Solution for (20-2x)(16-2x)=0 equation: 


Simplifying
(20 + -2x)(16 + -2x) = 0

Multiply (20 + -2x) * (16 + -2x)
(20(16 + -2x) + -2x * (16 + -2x)) = 0
((16 * 20 + -2x * 20) + -2x * (16 + -2x)) = 0
((320 + -40x) + -2x * (16 + -2x)) = 0
(320 + -40x + (16 * -2x + -2x * -2x)) = 0
(320 + -40x + (-32x + 4x2)) = 0

Combine like terms: -40x + -32x = -72x
(320 + -72x + 4x2) = 0

Solving
320 + -72x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(80 + -18x + x2) = 0

Factor a trinomial.
4((8 + -1x)(10 + -1x)) = 0

Ignore the factor 4.

Subproblem 1
Set the factor '(8 + -1x)' equal to zero and attempt to solve:

Simplifying
8 + -1x = 0

Solving
8 + -1x = 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 + -1x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -1x = 0 + -8
-1x = 0 + -8

Combine like terms: 0 + -8 = -8
-1x = -8

Divide each side by '-1'.
x = 8

Simplifying
x = 8

Subproblem 2
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
Solution
x = {8, 10}

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