Question

. Calculez P(5) sachant que P(x) = x3 − 5x2 − 2x + 7.

Answer 1

P(5) = - 3

Explanation:

to evaluate P(5) substitute x = 5 into P(x)

P(5) = (5)³ - 5(5)² - 2(5) + 7

= 125 - 5(25) - 10 + 7

= 125 - 125 - 3

= 0 - 3

= - 3