Question

find the value of polynomial p(x)=2+x+2x²-x³ at x=2​

Answer 1

Answer:

4

Explanation:

On substituting the value of x we get,

2+2+2(2)²-(2)³=4

Answer 2

Solution:

P(x)=2+x+2x²-x³

Now: x=2

p(x)=2+2+2(2)²-(2)³

= 2+2+2(4)-8

= 2+2+8-8

=4