Question

p(x)=x^2-4x+3, find p(2)-p(-1)+p(1)

Answer 1

Answer:

-9

Step-by-step explanation:

P(x) = x^2 - 4x + 3

P(2) = (2)^2 - 4(2) + 3 = 4-8+3 = 7-8 = -1

P(-1) = (-1)^2 - 4(-1) + 3 = 1+4+3 = 8

P(1) = 1^2 - 4(1) + 3 = 1-4+3 = 0

P(2) - P(-1) + P(1) = -1 - (8) + 0 = -9