Разложите ** множители

Question

Разложите на множители

---

Answer 1

A²ab+2a+ab+b²+2b-a²+2ab+2a-b²-2b=4ab+4a

Comments

фенкс

---

4a(a+1)

---

*4a(b+1)

Answer 2

A²+ab+2a+ab+b²+2b-a²+ab+2a+ab-b²-2b=4a+4ab=4a(1+b)