Question

If p(x) = x2 - 4x +3, evaluate p(2) – p(-1)+p​

Answer 1

tex]p(x) = {x}^{2} - 4x + 3 \\ \\ = > p(2) = {2}^{2} - 4 \times 2 + 3 = - 1 \\ \\ = > p( - 1) = { - 1}^{2} + 4 + 3 = 8 \\ \\ = > p(0) = 3[/tex]Sum = 10 .