(7z)(3z)=

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Solution for (7z)(3z)= equation: 


Simplifying
(7z)(3z) = 0

Remove parenthesis around (7z)
7z(3z) = 0

Remove parenthesis around (3z)
7z * 3z = 0

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

Multiply 7 * 3
21z * z = 0

Multiply z * z
21z2 = 0

Solving
21z2 = 0

Solving for variable 'z'.

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

Divide each side by '21'.
z2 = 0

Simplifying
z2 = 0

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

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