x(3x)=20

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Solution for x(3x)=20 equation: 


Simplifying
x(3x) = 20

Remove parenthesis around (3x)
x * 3x = 20

Reorder the terms for easier multiplication:
3x * x = 20

Multiply x * x
3x2 = 20

Solving
3x2 = 20

Solving for variable 'x'.

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

Divide each side by '3'.
x2 = 6.666666667

Simplifying
x2 = 6.666666667

Take the square root of each side:
x = {-2.581988898, 2.581988898}

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