# How do you use synthetic substitution to evaluate P(3) for  P(x) = 2x^3 - 3x^2 - 5x - 1?

Plug in x=3, so that P(3)= $2 \cdot {3}^{3} - 3 \cdot {3}^{2} - 5 \cdot 3 - 1$ = 11