A) \[5{{x}^{3}}+7{{x}^{2}}-9x+10\]
B) \[5{{x}^{2}}+6+45x\]
C) \[5{{x}^{3}}+7{{x}^{2}}+9x-10\]
D) \[5x-3{{x}^{2}}+6\]
Correct Answer: C
Solution :
Sum \[\begin{align} & {{x}^{3}}\,\,\,\,\,\,\,\,-\,\,\,\,\,\,\,3{{x}^{2}}\,\,\,\,\,-\,\,\,\,\,\,\,\,\,6x\,\,\,\,\,\,\,+\,\,\,\,\,\,\,10 \\ & 4{{x}^{3}}\,\,\,\,\,+\,\,\,\,\,\,10{{x}^{2}}\,\,\,+\,\,\,\,\,\,\,15x\,\,\,\,\,\,\,-\,\,\,\,\,\,\,20 \\ & \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ \\ & 5{{x}^{3}}\,\,\,\,\,+\,\,\,\,\,\,7{{x}^{2}}\,\,\,\,\,+\,\,\,\,\,\,\,9x\,\,\,\,\,\,\,\,\,-\,\,\,\,\,\,\,10 \\ & \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ \\ \end{align}\]You need to login to perform this action.
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