Answer:
Option C
Explanation:
Given expression is

Option A

=

=

Numerator is a quadratic polynomial, while the expression has the numerator as a cubic .
Therefore, both the expressions are not equivalent.
Option B

=

Here, numerator of the expression is a linear polynomial which is not equal to given expression.
Therefore, both the expressions are not equivalent.
Option C

=

=

=

Here, numerator is a cubic polynomial.
Therefore, both the expressions are equivalent.
Option D

=

Numerator is a linear polynomial.
Therefore, sum is not equal to the given expression.
Option C will be the answer.