Question

http://prntscr.com/62f4v0

Answer 1

Do I divide \[x(^3 + 3x^2 -2A + 3) \] by \[(x^2 + 1)\] to obtain a remainder of \[-x(1 + 2a)\]

Answer 2

do you happen to have the answer is A = -3?

Answer 3

Please note that, the remainder of your division is:
\[ - x(1 + 2A)\].
So you have to solvethis equation:
\[1+2A=5\]

Answer 4

Yes @triciaal

Answer 5

Thanks @Michele_Laino

Answer 6

do you still need this?

Answer 7

That was the answer :) I just wanted to know if I was using the right formula

Answer 8

ok keep practicing

Answer 9

thank you