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Factorise: 4x^2 – 9y^2
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Factorise: 4x^2 – 9y^2

User Freiheit
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1 Answer

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4x^2-9y^2

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

=[(2x + 3y)(2x - 3y)]
User AGamePlayer
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