(20-2x)(20-2x)(3)=

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Solution for (20-2x)(20-2x)(3)= equation: 


Simplifying
(20 + -2x)(20 + -2x)(3) = 0

Reorder the terms for easier multiplication:
3(20 + -2x)(20 + -2x) = 0

Multiply (20 + -2x) * (20 + -2x)
3(20(20 + -2x) + -2x * (20 + -2x)) = 0
3((20 * 20 + -2x * 20) + -2x * (20 + -2x)) = 0
3((400 + -40x) + -2x * (20 + -2x)) = 0
3(400 + -40x + (20 * -2x + -2x * -2x)) = 0
3(400 + -40x + (-40x + 4x2)) = 0

Combine like terms: -40x + -40x = -80x
3(400 + -80x + 4x2) = 0
(400 * 3 + -80x * 3 + 4x2 * 3) = 0
(1200 + -240x + 12x2) = 0

Solving
1200 + -240x + 12x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '12'.
12(100 + -20x + x2) = 0

Factor a trinomial.
12((10 + -1x)(10 + -1x)) = 0

Ignore the factor 12.

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 '(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 = {10, 10}

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