x(3x+x)=108

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Solution for x(3x+x)=108 equation: 


Simplifying
x(3x + x) = 108

Combine like terms: 3x + x = 4x
x(4x) = 108

Remove parenthesis around (4x)
x * 4x = 108

Reorder the terms for easier multiplication:
4x * x = 108

Multiply x * x
4x2 = 108

Solving
4x2 = 108

Solving for variable 'x'.

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

Divide each side by '4'.
x2 = 27

Simplifying
x2 = 27

Take the square root of each side:
x = {-5.196152423, 5.196152423}

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