3x(2x)=90

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Solution for 3x(2x)=90 equation: 


Simplifying
3x(2x) = 90

Remove parenthesis around (2x)
3x * 2x = 90

Reorder the terms for easier multiplication:
3 * 2x * x = 90

Multiply 3 * 2
6x * x = 90

Multiply x * x
6x2 = 90

Solving
6x2 = 90

Solving for variable 'x'.

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

Divide each side by '6'.
x2 = 15

Simplifying
x2 = 15

Take the square root of each side:
x = {-3.872983346, 3.872983346}

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