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Factorise 4X square + 9 y square + 16 z square + 12 x y - 24 yz-16xz |
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Answer» 4x²+9y²+16z²+12xy-24yz-16xz = (2X)²+(3Y)²+(-4Z)²+2[(2x)(3y)+(3y)(-4z)+(-4z)(2x)] =(2x+3y-4z)² |
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