Question

4ײ-9y= ? factorise
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Answer 1

$4 {x}^{2} - 9y =$

$- 5 {x}^{2} y$

Answer 2

Answer:

4x²-9y

(2x)²-(3y)²

Identity a²-b²=(a+b)(a-b)

(2x+3y)(2x-3y)

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