Question

Qual o resto da divisao P(x) = x³-2x² + x -1 por x+2

Answer 1

x3 - 2x2 + x - 1 | x + 2
————-
-x3 - 2x2 x2 - 4x + 9
———————-
-4x2 + x - 1
+4x2 +8x
———————-
9x - 1
-9x - 18
———————
-19

Resto = -19

Answer 2

Resposta:

x^3-2x^2+x-1 | x+2

-x^3 -2x^2 x^2-4x+9

---------

0. -4x^2+x

+4x+8x

-----------------

0. 9x-1

-9x-18

0 -19