人人
Let's Analyze
A. Add the following polynomials.
1. 10b2 and -7b2
2. 4xy and 8xy
3. 20x2y and 50x2y
4. 9a + 5b and 7a – 6b
5. 5np – 7n2 – 8p2 and 10np + 20n2 + 10p2


pa help po thanks ☺️​