Help me with this please.

Answer: a. x^3 - x^2 + x + 3
You have to expand the terms by multiplying them.
(x^2 - 2x + 3)(x + 1)
= x^3 + x^2 - 2x^2 - 2x + 3x + 3
= x^3 - x^2 + x + 3
Answer:
option A is the correct answer of this question...
Step-by-step explanation:
x3 -2x²+3x + x²-2x +3
x³- x²+x +3