Math, asked by geetashende57, 7 months ago

(4x + 5y ) (4x-5y) - (3x +2y) (3x - 2y) give big answers

Answers

Answered by magicalbliss2006

0

Step-by-step explanation:

(a + b) (a - b) = a² - b²

[ (4x)² - (5y)² ] - [ (3x)² - (2y)² ]

(16x² - 25y²) - (9x² - 4y²)

( a² - b² ) = (a+b) (a-b)

(16x² - 25y² + 9x² - 4y²) (16x² - 25y² - 9x² - 4y²)

(25x² - 29y²) (7x² - 21y²)

Hope it'll help you..........

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