For items 17-20 , Simplify each rational expression. 35xyz 17. z 75y?zo 72 ܗܵܕܹ+7x 72" 7x*yz B. 15 en C. 15v D. 15yz" A. 15z 3.X-15 18. JA-25 3.2-3 A. 5-5 + 1 19. x2-1 2 (0-1) B. 5 C. 3/5 D.5/3 1 B. 12 A. x1 a+b C. x. - 1 X- D. * + 1 x-1 x+1 x 20. 34ha 1 A. B. a-b az ib2 a2 ao 162 1 C. a2 ab 152 1²-b?
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Answer:
17. D
18.A
19.A
20.C
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