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The factors that multiply to 120 and add up to -8 are -12 and 10. This is because when you multiply -12 and 10, you get -120, and when you add them together, you get -8. Thus, the pair of factors you are looking for is (-12, 10).
-172
Factors multiply, like 4 and 6 or 3 and 8 or 2 and 12.
-10 and 2 -12 and 4 -20 and 12
7+ 7/8=7 and 7/8 or 63/8 Get common denomenators by multiplying 7/1 by 8 to get 56/8. Add 56 and 7 to get 63/8... or 7 and 7/8.