16x*9x=4.2

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Solution for 16x*9x=4.2 equation: 


Simplifying
16x * 9x = 4.2

Reorder the terms for easier multiplication:
16 * 9x * x = 4.2

Multiply 16 * 9
144x * x = 4.2

Multiply x * x
144x2 = 4.2

Solving
144x2 = 4.2

Solving for variable 'x'.

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

Divide each side by '144'.
x2 = 0.02916666667

Simplifying
x2 = 0.02916666667

Take the square root of each side:
x = {-0.170782513, 0.170782513}

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