SOLUTION: Please help me solve this equation. find f(1) for f(x)=2x^3-3x^2+x-21

Question 202957: Please help me solve this equation.
find f(1) for f(x)=2x^3-3x^2+x-21
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Note: we're not solving the equation, we're simply plugging in a value for "x" and evaluating.

Start with the given equation.

Plug in .

Cube to get .

Square to get .

Multiply and to get .

Multiply and to get .

Combine like terms.

So the answer is
RELATED QUESTIONS
please help me solve this equation... F(x)=2x-1 Find F(1), F(2), and F(3) (answered by rfer)

find f(1) for f(x)=... (answered by Mathtut)

find f(1) for... (answered by Mathtut)