rodolfo4811rr rodolfo4811rr
  • 16-04-2018
  • Mathematics
contestada

which are real zeros of this function x^3+2x^2-9x-18
a 1,2,3
b 3,-3,2
c 2,3,-6
d 1,-1,18
e -2,3,-3

Respuesta :

carlosego
carlosego carlosego
  • 26-04-2018
To solve the problem shown above, you must follow the proccedure shown below:

 1. You the following polynomial of degree 3:

 x^3+2x^2-9x-18

 2. When you factor it, you obtain:

 (x+2)(x-3)(x+3)=0

 3. Then, you obtain:

 x1=-2
 x2=3
 x3=-3

 4. Therefore, the correct answer is the last option (option e), which is shown below:

 e) -2,3,-3
 
Answer Link
skydreammer50923
skydreammer50923 skydreammer50923
  • 08-07-2021

Answer:

E.  -2, 3, -3

Step-by-step explanation:

correct for plato

Answer Link

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