2x(4x)=392

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


Simplifying
2x(4x) = 392

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

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

Multiply 2 * 4
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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