Question

if x=1/2-root3, find the value of x^3 -2x^2-7x+5

Answer 1

Answer:

answer is 1.5.

Step-by-step explanation:

X=1/2 =-7x+5 =-7(1/2)+5 =-7/2+5 =3/2 =1.5 The value is 1.5.

Answer 2

Answer:

x^3 -2x^2-7x+5

solving the above equation we get roots values as

x1= 3.56884961

x2= 0.6355519408