SOLUTION: Evaluate the following polynomial x^3+5x^2-3x+2, for x=2/3. Please explain each step.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Evaluate the following polynomial x^3+5x^2-3x+2, for x=2/3. Please explain each step.       Log On


   

Question 460286: Evaluate the following polynomial x^3+5x^2-3x+2, for x=2/3.
Please explain each step.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Just replace x with 2/3, and simplify:

(2/3)^3 + 5(2/3)^2 - 3(2/3) + 2

8/27 - 20/9 - 3 + 2

= -79/27