Question

if u answer i make them brainlist​

Answer 1

Answer:

a+b(1+ab)

Step-by-step explanation:

Answer 2

Answer:

a + b + a²b + b²a

= a + a²b + b + b²a (rearranging the terms)

= a(1 + ab) + b(1 + ba) (taking common)

= a(1 + ab) + b(1 + ab) (ba = ab)

= (a + b)(1 + ab) .......Ans