Factorise 4x²+9y²+16z²+12xy+24yz+16xz

1.	Factorise 4x²+9y²+16z²+12xy+24yz+16xz
Answer» \xa04x²+9y²+16z²+12xy + 24yz +16xz= (2x)²+(3y)²+(4z)²+2(2)(3)xy +2(3)(4)yz + 2(2x)(4z)= (2x + 3y +4z)(2x + 3y + 4z)=\xa0(2x + 3y + 4z)2

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