Math, asked by HepszhiEno, 3 months ago

gactorise : 4a² – 81b²

Answers

Answered by ItzRockingStar

3

Answer:

(2a + 9b) (2a - 9b)

Step-by-step explanation:

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Answered by varindergarg1988

3

Answer:

(2a-9b)(2a+9b) is your answer

Step-by-step explanation:

4a^2-81b^2

(2a)^2-(9b)^2

(2a-9b)(2a+9b)

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