Question

please someone help !!!!!!!!!!!!!!!!!!

Answer 1

1. ax+by+bx+az+ay+bz

=(ax+ay+az)+(bx+by+bz)

=a(x+y+z)+b(x+y+z)

=(x+y+z)(a+b)

2. answer is not available

3. answer is in photo

4. answer is not available