Factorise 9x^2+16y^2+4z^2-24xy+16yz-12xz
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Answer:
9x2 + 16y2+4z2 -24xy + 16yz -12xz
= (-3x)2 + (4y)2 + (2z)2 + 2× (-3x) × (4y) + 2× (4y) × (2z) + 2× (-3x) × (2z)
= (-3x + 4y + 2z)2
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Answer is in the photo attached check it out!!!
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