Question

X³ - X ² - 2 X,
para X= 12

Answer 1

x3−x2−2x

Avaliar para x=12

12³−12²−(2)(12)

=1728−12²−(2)(12)

=1728−144−(2)(12)

=1584−(2)(12)

=1584−24

=1560