Evaluate P(x) = x4 + 3x2 + 2 by substituting any value for x that has not been used already in this discussion.
Evaluate P(x) = x4 + 3x2 + 2 by substituting any value for x that has not been used already in this discussion.
Simplify this expression by substituting one number for x and a second number for y that have not been used in this discussion already: uxzy z-xy-y