Example

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

Question

$$(4^{5}-7^{2})\cdot84$$

Answer

81900

Solution


Simplify  \({4}^{5}\)  to  \(1024\).
\[(1024-{7}^{2})\times 84\]
Simplify  \({7}^{2}\)  to  \(49\).
\[(1024-49)\times 84\]
Simplify  \(1024-49\)  to  \(975\).
\[975\times 84\]
Simplify.
\[81900\]
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