2x*4x=128

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Solution for 2x*4x=128 equation: 


Simplifying
2x * 4x = 128

Reorder the terms for easier multiplication:
2 * 4x * x = 128

Multiply 2 * 4
8x * x = 128

Multiply x * x
8x2 = 128

Solving
8x2 = 128

Solving for variable 'x'.

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

Divide each side by '8'.
x2 = 16

Simplifying
x2 = 16

Take the square root of each side:
x = {-4, 4}

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