Question

16x² - 25y²

Solution :
= ( 4x )² - ( 5y )²
= ( 4x + 5y ) ( 4x - 5y)
​

Answer 1

16x*2 - 25y*2
=4x*2 - 5x*2
(4x+5y) (4x+5y)

Answer 2

Answer:

Kindly refer to the attachment.

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