5a2b+8ab2+2+8a2b−15ab2−1

Question

5a2b+8ab2+2+8a2b−15ab2−1

Answer 1

=1+13a^2b-7ab^2.....................................

Answer 2

= (5a^2b +8a^2b) +(8ab^2-15ab^2) +(2-1) = 13a^2b-7ab^2 +1