codrules51004 codrules51004

18-11-2020
Mathematics

contestada

solve by graphing. round to the nearest hundredth, if necessary

x^2 +2x -15 = 0

Respuesta :

kimoraroberts3 kimoraroberts3

18-11-2020

Answer:

x = 3 or -5

Step-by-step explanation:

x^2+2x+1 = 15+1

(x+1)^2 = 16

x+1 = ±4

x = 3 or -5

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