Question

Please help!!
16. 34x^4y^3 – 17x^2y^5
17. 20p^2 – 16p^2 q^2
18. 35m^3n + 105m^2n^3

Answer 1

35m^3n + 105m^2n^3=140m^5n^3

34x^4y^3 – 17x^2y^5=17×^6y^8

20p^2 – 16p^2 q^2=4p^2q^2