4x(2x)=392

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Solution for 4x(2x)=392 equation: 


Simplifying
4x(2x) = 392

Remove parenthesis around (2x)
4x * 2x = 392

Reorder the terms for easier multiplication:
4 * 2x * x = 392

Multiply 4 * 2
8x * x = 392

Multiply x * x
8x2 = 392

Solving
8x2 = 392

Solving for variable 'x'.

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

Divide each side by '8'.
x2 = 49

Simplifying
x2 = 49

Take the square root of each side:
x = {-7, 7}

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