Question

Which of the following are roots of the polynomial function below?
2x^3-5x^2+2x+1

Answer 1

Answer:

x=1,  3±√17/4

Step-by-step explanation:

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

(x-1)(2x^2-3x-1)=0

x-1 =0              →      x=1

2x^2-3x-1=0    → x= 3±√17/4

Answer 2

Answer:

the previous answer is correct

Step-by-step explanation: