1.

Factorise :-4x²-9y²+16z²+12xy-24yz-16xz​

Answer»

ANSWER:

(2X)^2 + (3Y)^2+ (-4Z)^2 + 2(2x)( 3y)+ 2 (3y) (-4z) + 2 (-4z) (2x)

(2x+3u-4z)^2

(2x +3y-4z) (2x +3y -4z)( 2x+ 3y -4z)



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