(3x+x)*x=220

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Solution for (3x+x)*x=220 equation: 


Simplifying
(3x + x) * x = 220

Combine like terms: 3x + x = 4x
(4x) * x = 220

Remove parenthesis around (4x)
4x * x = 220

Multiply x * x
4x2 = 220

Solving
4x2 = 220

Solving for variable 'x'.

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

Divide each side by '4'.
x2 = 55

Simplifying
x2 = 55

Take the square root of each side:
x = {-7.416198487, 7.416198487}

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