UPSKILL MATH PLUS
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Learn moreFactorise the following :
1. \(9x^2 + 4y^2 + 16z^2 + 12xy – 16yz – 24xz\)
2. \(25x^2 + 16y^2 + 4z^2 – 40xy + 16yz – 20xz\)
3. \(16x^2 + 4y^2 + 9z^2 – 16xy – 12yz + 24 xz\)
Answer variants:
\((3x-4y-4z)^2\)
\((3x+4y-4z)^2\)
\((-5x+4y+2z)^2\)
\((4x-2y-3z)^2\)
\((4x-2y+3z)^2\)
\((5x+4y-2z)^2\)
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