7x*3x=0

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Solution for 7x*3x=0 equation: 


Simplifying
7x * 3x = 0

Reorder the terms for easier multiplication:
7 * 3x * x = 0

Multiply 7 * 3
21x * x = 0

Multiply x * x
21x2 = 0

Solving
21x2 = 0

Solving for variable 'x'.

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

Divide each side by '21'.
x2 = 0

Simplifying
x2 = 0

Take the square root of each side:
x = {0}

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