sa hir
II. Factor each polynomial, if possible,
1. За - а?
2. 6a2b2 - 15a2b
3. a2 - 400
4.0.01e2 - f?g?
5. m3 - 64
6. 343v3 + 27w6
7. a2 + 6a + 9
8.49g2 + 56gh + 16h2
9. x2 + 6x - 40
10. X2 + 10x + 28