34.1

1. (а+х)*(а²-ах+х²)

2. (у-b)*(y²+by+b²)

3. (t-n)*(t²-nt+n2)

4. (m-k)*(m²+km+k²)

5. (z-2)*(z²+2z+4)

6. (4+s)*(16-4s+s²)

7. (5-x)*(25+5x+x2)

8. (10+y)*(100-10y+y²)