The simplification of ( 75983 × 75983 - 45983 × 4598330000 ) yields the result = ?

Answer: Option D

$$\begin{array}{rl}& \text{Given expression,}\\ & \frac{{\left(75983\right)}^2-{\left(45983\right)}^2}{75983-45983}\\ & =\frac{\left(75983-45983\right)\left(75983+45983\right)}{(75983-45983)}\\ & =75983+45983\\ & =121966\end{array}$$