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Factorise the following algebraic expression
$ 18 a^{3} y-27 a^{2} b $
Given:
$18 a^3y - 27 a^2 b$
To do: Factories the expression.
Solution:
$18 a^3y - 27 a^2 b$
= $9a^2(2ay - 3b)$
So $18 a^3y - 27 a^2 b = 9a^2(2ay - 3b)$
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