Question
Simplify:
$\frac{7^{(2 n+3)}-(49)^{n+2}}{\left[(343)^{n+1}\right]^{\frac{2}{3}}}$
$\frac{7^{(2 n+3)}-(49)^{n+2}}{\left[(343)^{n+1}\right]^{\frac{2}{3}}}$
✓
Answer
-42
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