Question

me ajudem a responder

Answer 1

$~~~~x^3-3x^2-x+6 | x-2 \\ -x^3+2x^2~~~~~~~~~~------- \\ -----~~~~~~~~~~~x^2-x-3 \\ 0x^3-x^2-x \\ ~~~~~~+x^2-2x \\ ~~~~------ \\ ~~~~~~~~0x^2-3x+6 \\ ~~~~~~~~~~~~~+3x-6 \\ ~~~~~~~~~~~------ \\ ~~~~~~~~~~~~~~~~~0 \\ \\ (x^3-3x^2-x+6)\div(x-2)=x^2-x-3~~~com~~~resto~~zero$