Question

Factorise: 125a^3+27b^3+225a^2b+135ab^2+10a+6b​

Answer 1

Step-by-step explanation:

= (5a)^3+(3b)^3+3.(5a).(3b).(5a+3b)+10a+6b

= (5a+3b)^3+10a+6b

= (5a+3b)^3+2(5a+3b)

= (5a+3b)[(5a+3b)^2+2]