Example

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

Question

$$3 { \times }^{ 2 } -40=-13$$

Answer

[No Solution]

Solution


Remove parentheses.
\[3{}^{2}-40=-13\]
Use Product Rule: \({x}^{a}{x}^{b}={x}^{a+b}\).
\[3{}^{3}-40=-13\]
Since \(3{}^{3}-40=-13\) is false, there is no solution.
No Solution
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