Multiply and, if possible, simplify.
-$\frac { 7 x ^ { 2 } } { 5 } \cdot \frac { 40 } { x ^ { 3 } }$
A) $\frac { x ^ { 5 } } { 28 }$
B) $\frac { x } { 28 }$
C) $\frac { 56 } { x }$
D) $\frac { 56 x ^ { 2 } } { x ^ { 3 } }$

Question

Quizplus · Accepted Answer

When multiplying fractions, you multiply the numerators together and the denominators together. Here, $7x^2 \times 40 = 280x^2$ and $5 \times x^3 = 5x^3$. Simplifying $280x^2 / 5x^3$ gives $56/x$, since $280/5 = 56$ and $x^2/x^3 = 1/x$.

Multiply And, If Possible, Simplify 7x25⋅40x3\frac { 7 x ^ { 2 } } { 5 } \cdot \frac { 40 } { x ^ { 3 } }57x2​⋅x340​

Multiply And, If Possible, Simplify $\frac { 7 x ^ { 2 } } { 5 } \cdot \frac { 40 } { x ^ { 3 } }$