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Simplifying
20x2 + 4 = 6484
Reorder the terms:
4 + 20x2 = 6484
Solving
4 + 20x2 = 6484
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-4' to each side of the equation.
4 + -4 + 20x2 = 6484 + -4
Combine like terms: 4 + -4 = 0
0 + 20x2 = 6484 + -4
20x2 = 6484 + -4
Combine like terms: 6484 + -4 = 6480
20x2 = 6480
Divide each side by '20'.
x2 = 324
Simplifying
x2 = 324
Take the square root of each side:
x = {-18, 18}
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