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Simplifying
(15a)(-22a) = 0
Remove parenthesis around (15a)
15a(-22a) = 0
Remove parenthesis around (-22a)
15a * -22a = 0
Reorder the terms for easier multiplication:
15 * -22a * a = 0
Multiply 15 * -22
-330a * a = 0
Multiply a * a
-330a2 = 0
Solving
-330a2 = 0
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Divide each side by '-330'.
a2 = 0.0
Simplifying
a2 = 0.0
Take the square root of each side:
a = {0.0}
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