Question

Dê o resto da divisão de p(x) = x³ + 7x² - 2x + 1 por 2x+5

Teorema do resto

Answer 1

https://www.youtube.com/watch?v=9UuJjS0zce4

x^3+7x^2-2x+1             |2x+5__

-x^3 - (5x^2)/2              x^2/2+9x/4-53/8

0 +9x^2/2-2x+1

-9x^2/2-45x/4+1

-53x/4+1

53x/4+265/8

273/8

Resto: 273/8