9a*7a=

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Solution for 9a*7a= equation: 


Simplifying
9a * 7a = 0

Reorder the terms for easier multiplication:
9 * 7a * a = 0

Multiply 9 * 7
63a * a = 0

Multiply a * a
63a2 = 0

Solving
63a2 = 0

Solving for variable 'a'.

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

Divide each side by '63'.
a2 = 0

Simplifying
a2 = 0

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

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