# How do you use synthetic substitution to find x=4 for p(x)=x^3-4x^2+4x-5?

Sep 6, 2015

p(4)=11

#### Explanation:

It is presumed it is required to know p(4). For this just amke x=4 and simplify to get p(4)=11. Now this means that if p(x) is divided by x-4, the remainder would be 11.