Question

Please factorise 4y²-9x²

Answer 1

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Answer 2

Answer :

4y² - 9x²

This expression can be factorised by using algebraic identity

The given expression can be written as

= ( 2y )² - ( 3x )²

Using algebraic identity a² - b² = ( a + b )( a - b)

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

Hence the given expression is factorised.