Question

factorise a^3-27/a^3
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Answer 1

$\frac{ {a}^{3 } - 27}{ {a}^{3} } = \frac{ {a}^{3 } - {3}^{3} }{ {a}^{3} } \\ = > \frac{(a + 3)( {a}^{2} + 3a + 9) }{ {a}^{3} }$

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Answer 2

Answer:

Step-by-step explanation:

=a³-27/ a³

= (a)³-(3)³/ (a)³

= (a-3)(a²+3a+9)/(a)³