Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$7^{3}\times7^{3}\times7-3$$

Answer

823540

Solution


Simplify  \({7}^{3}\times {7}^{3}\)  to  \({7}^{6}\).
\[{7}^{6}\times 7-3\]
Use Product Rule: \({x}^{a}{x}^{b}={x}^{a+b}\).
\[{7}^{7}-3\]
Simplify  \({7}^{7}\)  to  \(823543\).
\[823543-3\]
Simplify.
\[823540\]
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