Use the remainder theorem: we can decompose the given polynomial in terms of quotient and remainder polynomials
and
, respectively, such that

Then letting x = -3 makes the quotient term vanish, and we're left with a remainder of

Answer:
Step-by-step explanation:
Answer:
This is as much as I could do.
Step-by-step explanation:
Steps r in pic below
p=qx+4x−5 would be the answer to your problem. Math Papa is a good website to use for alegebra or math