Question

6. What should be subtracted from 25x2 - 36xy + 16y2to make it a perfect square.​

Answer 1

Answer:

4xy

Step-by-step explanation:

(25x² - 36xy + 16y²)-p=(5x-4y)²

p=25x² - 36xy + 16y²-(5x-4y)²

p=25x² - 36xy + 16y²-25x²+40xy-16y²

p=4xy