A) \[{{x}^{3}}(-7{{x}^{7}}y+4z)\]
B) \[{{x}^{2}}(7{{x}^{7}}y-4z)\]
C) \[{{x}^{2}}(-7{{x}^{6}}y+2z)\]
D) \[{{x}^{3}}(-7{{x}^{7}}y+4z)\]
Correct Answer: A
Solution :
\[\frac{-14{{x}^{12}}y+8{{x}^{5}}z}{2{{x}^{2}}}=\frac{2{{x}^{2}}(-7{{x}^{10}}y+4{{x}^{3}}z)}{2{{x}^{2}}}\] \[={{x}^{3}}(-7{{x}^{7}}y+4z)\]
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