Answer:
I believe it is 132 units but i may be wrong, im so sorry if i am! :)
Step-by-step explanation:
4a²b⁴ - 25x⁶y⁴
(2ab²)² - (5x³y²)²
= (2ab² + 5x³y²)(<span>2ab² - 5x³y²) By difference of two squares</span>
The answer is eighty because you have to divide five into 133