Question

factories by regrouping 1+a²b²+a²+b²​

Answer 1

Answer:

a^2+a^2b^2+b^2+1

a^2(1+b^2)+1(b^2+1)

(a^2+1)(b^2+1)

Answer 2

Answer:

(a²+1)(b²+1)

Step-by-step explanation:

1+a²b²+a²+b²

=a²b²+a²+b²+1

=a²(1+b²)+1(1+b²)

=(a²+1)(1+b²)

=(a²+1)(b²+1)