Question

request please solve

Answer 1

please mark me as brainlist

Answer 2

Q. Factorisation »

(5a - 3b)² - 16b²

= (5a - 3b)² - (4b)²

= [ (5a - 3b) + (4b) ] [ (5a - 3b) - (4b)² ]

= ( 5a - 3b + 4b ) ( 5a - 3b - 4b )

= ( 5a + b ) ( 5a - 7b )

Answer » (5a + b) (5a - 7b)

Identity Used »

a² - b² = (a + b) (a - b)

where,

a² = (5a - 3b)²

b² = (4b)²

✪ Be Brainly ✪