Question

Hallar el valor numérico de P(x) = 2x 2 − 5x + 9, para x = −2.

Answer 1

P(x) = 2x^2 − 5x + 9

P(x) = 2(-2)^2 -5(-2) +9

P(x) = -8 + 10 +9

P(x)= 11