Example

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

Question

$$( \times -3)( \times -4)$$

Answer

$$12*^2$$

Solution


Simplify negative sign.
\[-\times 3\times -4\]
Use Product Rule: \({x}^{a}{x}^{b}={x}^{a+b}\).
\[{}^{2}\times 3\times 4\]
Simplify.
\[12{}^{2}\]
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