Q. The sum of 6xy(2x - 4z) , 3yz(2x - 3z) and 4xz(3y - 2y2) is
A) 12x2y - 6xyz + 9yz2 - 8xy2z
B) 12x2y - 6xyz - 9yz2 + 8xy2z
C) 12x2y + 6xyz - 9yz2 - 8xy2z
D) 12x2y - 6xyz - 9yz2 - 8xy2z
✔ Correct Answer: 12x2y - 6xyz - 9yz2 - 8xy2z
Exam Insight
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A) 12x2y - 6xyz + 9yz2 - 8xy2z
B) 12x2y - 6xyz - 9yz2 + 8xy2z
C) 12x2y + 6xyz - 9yz2 - 8xy2z
D) 12x2y - 6xyz - 9yz2 - 8xy2z
✔ Correct Answer: 12x2y - 6xyz - 9yz2 - 8xy2z
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