MTH 425 Lecture 9: Groups-78-82

Please answer Q19, 21 and 22 I want a correct answer (handwritten if possible) AND MARK PARTS IN Q#1

Perform the addition or subtraction and simplify.

(9/x+8) - (1/x^2+12x+32)

If handwritten, please write the answer clearly.

Which property is shown here?

and

• Commutative Property of Addition
• Associative Property of Addition
• Addition Property of Zero

Using the base block material cards #4,#13 and #16 as needed, add the following Base blocks: . Show all the work using the correct method on your handwritten work/answer sheet.