1.

4xsquare +12xy+9ysquare

Answer» HOLA!
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4x² + 12xy + 9y²

Factorising :

(2X)² + 2 × (2x) × (3y) + (3y)²

as,
[ a² + 2ab + b² = ( a + b )² ]

THUS,
( 2x - 3y )²

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Hope it HELPS! :D


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