2x^2-5

            

x+9

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1 Answer

evaluate when x = -1

2x^2 - 5

x + 9

just substitute in the -1

2(-1)^2 - 5 = 2(1) -5 = 2 - 5 = -3

-1 + 9 = 8

by Level 10 User (55.7k points)

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