Simplification/Factorisation

[David91]

Simplify

ab + 3a² + 5b - 2a² -ba

11a² + 3a + 5b +6ab -a² +5a -5b

8ab² + 3a²b - 5ab² + 6ab + a²b + 5ba

ab -3ba + 5ab² + 6b² + b²a + 5ba

please please do my homework for me!

more coming soon...

 

[David91]

done it. pretty easy when i got my head round it.

and for the record. yes its the start of A-Level maths, bit rusty from my long break off i suppose.

cheers for all the help anyway guys. your knowlege knows no bounds etc etc