SOLUTION: The function f is given by f(x)=x^3+2x^2+ax-8,where a is constant.when f(x) is divided by (x-2) the remainde is-6. Solve the equation f(x)=0,giving your answer to 2 decimal place

Algebra ->  Permutations -> SOLUTION: The function f is given by f(x)=x^3+2x^2+ax-8,where a is constant.when f(x) is divided by (x-2) the remainde is-6. Solve the equation f(x)=0,giving your answer to 2 decimal place      Log On


   

Question 1159637: The function f is given by f(x)=x^3+2x^2+ax-8,where a is constant.when f(x) is divided by (x-2) the remainde is-6.
Solve the equation f(x)=0,giving your answer to 2 decimal place where necessary.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
-6=2%5E3%2B2%2A2%5E2%2B2a-8
Solve for a and then do whatever else you want.