Question

Please Factorise 4a2b-9b3

Answer 1

$= b(4 {a}^{2} - 9 {b}^{2} )$

Answer 2

hii friend♥♥♥
here is your answer. ..
b (4a^2-9b^2)
=b (2a+3b)(2a-3b)
......... .... [here a^2-b^2 formula is used]

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