Question

x³+x²+x+1 divided by (x+9)​

Answer 1

$x + 9 = 0 \\ \\ x = - 9$

$= x³+x²+x+1 \\ \\ = ( - 9)³+( - 9)²+( - 9)+1 \\ \\ = - 27 + 18 - 9 + 1 \\ \\ = - 27 + 9 + 1 \\ \\ = - 27 + 10 \\ \\ = - 17$

Answer 2

Answer:

$x + 9 = 0 \\ \\ x = - 9$

$= x³+x²+x+1 \\ \\ = ( - 9)³+( - 9)²+( - 9)+1 \\ \\ = - 27 + 18 - 9 + 1 \\ \\ = - 27 + 9 + 1 \\ \\ = - 27 + 10 \\ \\ = - 17$