Question

Perform the following operations and prove closure. Show your work.

x
x+3
+
x+2
x+5


x+4
x2+5x+6
•
x+3
x2−16


2
x2−9
−
3x
x2−5x+6


x+4
x2−5x+6
÷
x2−16
x+3

Answer 1

this question is too lengthy