Ho do you solve this?
Find p(2) for p(x) = x4 + 3x3 - 2x2 - 4x + 1.

Question

Ho do you solve this?  	
Find p(2) for p(x) = x4 + 3x3 - 2x2 - 4x + 1.

anonymous · Answer

Substitute 2 for every 'x' in the equation.Solve.

anonymous · Answer

I tried that but im not getting the right answer i keep getting 209 what am i doing wrong?

johnweldon1993 · Answer

as DYHW has stated....for every 'x' you see in your equation....replace it with a (2)

so you have

$$(2)^4 + 3(2)^3 -2(2)^2 - 4(2)+ 1$$

and solve

you get

16       +    24      - 8       - 8    + 1
       40 - 16 + 1
        24 + 1
          25 is what I get

anonymous · Answer

oh i see i was doing 6 to the third thank you

johnweldon1993 · Answer

ahh, yes exponents first :)