Simplify.
-$\frac { \sqrt { 7 ^ { 3 } - 2 ( 159 ) } } { 3 + 9 ^ { 2 } }$
A) $\frac { 18073 } { 28 }$
B) $\frac { 18073 } { 48 }$
C) $\frac { 5 } { 144 }$
D) $\frac { 5 } { 84 }$

Question

Quizplus · Accepted Answer

First, calculate the numerator: $7^3 = 343$, so $343 - 2(159) = 343 - 318 = 25$. The square root of 25 is 5. For the denominator: $9^2 = 81$, so $3 + 81 = 84$. Thus, the expression simplifies to $\frac{5}{84}$.

Simplify - 73−2(159)3+92\frac { \sqrt { 7 ^ { 3 } - 2 ( 159 ) } } { 3 + 9 ^ { 2 } }3+9273−2(159)​​

Simplify
- $\frac { \sqrt { 7 ^ { 3 } - 2 ( 159 ) } } { 3 + 9 ^ { 2 } }$