Simplify the following:

$\frac{9^{8} \ -\ 9^{7}}{8}$

Given: $\frac{9^{8} \ -\ 9^{7}}{8}$

To do: Here we have to simplify the given expression $\frac{9^{8} \ -\ 9^{7}}{8}$

Solution:

$\frac{9^{8} \ -\ 9^{7}}{8}$

$=\ \frac{9^{7}( 9\ -\ 1)}{8}$

$=\ \frac{9^{7}( 8)}{8}$

$=\ \mathbf{9^{7}}$

So, the value of the given expression is 9⁷.

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Updated on: 10-Oct-2022

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