Math, asked by koustuvmohanty996, 5 hours ago

factories 16x²- 81y²

Answers

Answered by ayushcool13

21

Answer:

GIVEN EXPRESSION is = 16x^2-81y^2

16x^2 = (4x^2)

81y^2 = (9y)^2

It has two perfect square terms. So pattern of difference of square is used

16x^2 - 81y^2=(4x+9y)(4x-9y)

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