3x(x+2x)=

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Solution for 3x(x+2x)= equation: 


Simplifying
3x(x + 2x) = 0

Combine like terms: x + 2x = 3x
3x(3x) = 0

Remove parenthesis around (3x)
3x * 3x = 0

Reorder the terms for easier multiplication:
3 * 3x * x = 0

Multiply 3 * 3
9x * x = 0

Multiply x * x
9x2 = 0

Solving
9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
x2 = 0

Simplifying
x2 = 0

Take the square root of each side:
x = {0}

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