Question

Please help me with my sample work

Instructions: Give the answer and explain how you got the answer or show your work

(ONLY THE ONES THAT ARE CIRCLED AKA 33 AND 39)

Answer 1

33)
(5x²+3)+(15x²+2)
5x^2+15x^2+3+2
20x^2+5
5(4x^2+1)

39)
(14h^4+3h^3)-(9h^4+2h^3)
14h^4-9h^4+3h^3-2h^3
5h^4+h^3
h^3(5h+1)