SOLUTION: Evaluate the polynomial for x = -2. 3x^2 - 4x + 1 I need to get this correct and I come up with 45. Did I do this correctly?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Evaluate the polynomial for x = -2. 3x^2 - 4x + 1 I need to get this correct and I come up with 45. Did I do this correctly?      Log On


   

Question 133185: Evaluate the polynomial for x = -2.
3x^2 - 4x + 1
I need to get this correct and I come up with 45. Did I do this correctly?
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
Given: 3x%5E2+-+4x+%2B+1 solve at x = -2
3%28-2%29%5E2+-4%28-2%29+%2B+1
3%284%29+%2B8+%2B+1
12+%2B+8+%2B+1
I get 21.
How did you solve and get 45?