Question

A 3 (l+m) 3 -{(al/3) + (2am/3)} 3 -{(2al/3) + (am/3)} 3 -------- Factorise the polynomial.

Answer 1

Factorize:
a3(l+m)3-{(al/3)+(2am/3)}3-{(2al/3)+(am/3)}3

=    a3(3l+3m)-al-2am-2al-am

=    9al+9am-al-2am-2al-am

=    9al-al-2al+9am-2am-am

=    6al - 6am

=    6a(l - m)

Answer 2

Step-by-step explanation:

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