(4a)(7a)=

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Solution for (4a)(7a)= equation: 


Simplifying
(4a)(7a) = 0

Remove parenthesis around (4a)
4a(7a) = 0

Remove parenthesis around (7a)
4a * 7a = 0

Reorder the terms for easier multiplication:
4 * 7a * a = 0

Multiply 4 * 7
28a * a = 0

Multiply a * a
28a2 = 0

Solving
28a2 = 0

Solving for variable 'a'.

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

Divide each side by '28'.
a2 = 0

Simplifying
a2 = 0

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

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