Question

Разложите на множители

Answer 1

a²ab+2a+ab+b²+2b-a²+2ab+2a-b²-2b=4ab+4a

Answer 2

фенкс

Answer 3

4a(a+1)

Answer 4

*4a(b+1)

Answer 5

a²+ab+2a+ab+b²+2b-a²+ab+2a+ab-b²-2b=4a+4ab=4a(1+b)