" 3."27a^(3)b^(3)-45a^(4)b^(2)

27x^(3)y^(3)-45x^(4)y^(2)

27a^3b^3-45a^4b^2

27a^3+64b^3

Factorise: 9a^(3)b^(2)c-27a^(2)b^(3)c^(2)-36a^(2)b^(2)c^(3)

Factorise: 18a ^(3) b^(3) - 27a ^(2) b^(3) + 36 a ^(3)b ^(2)

Factorise the using the identity a ^(2) -b ^(2) = (a +b) (a-b). 3a ^(2) b ^(3) - 27 a ^(4) b

Factorise each of the following : (i) 8a^(3)+b^(3)+12a^(2)b+6ab^(2) (ii) 8a^(3)-b^(3)-12a^(2)b+6ab^(2) (iii) 27-125a^(3)-135a+225a^(2) (iv) 64a^(3)-27b^(3)-144a^(2)b+108ab^(2) (v) 27p^(3)-(1)/(216)-(9)/(2)p^(2)+(1)/(4)p