Simplify the expression. Assume all variables represent positive real numbers.
-$\sqrt { 245 x ^ { 2 } }$
A) $245 x$
B) $7 \times \sqrt { 5 }$
C) $5 x ^ { 2 } \sqrt { 7 }$
D) $7 \sqrt { 5 x }$

Question

Quizplus · Accepted Answer

The expression $\sqrt { 245 x ^ { 2 } }$ simplifies to $7x\sqrt{5}$, but none of the options exactly match this. The closest correct simplification based on the given options is $7 \times \sqrt { 5 }$, but it incorrectly omits the $x$ term, indicating a mistake in the interpretation of the options. The correct simplification should involve $x$, which is not reflected in the provided choices.

Simplify the Expression 245x2\sqrt { 245 x ^ { 2 } }245x2​

Simplify the Expression $\sqrt { 245 x ^ { 2 } }$