Example

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

Question

$$(7 { \times }^{ 2 } +2)( \times -4)$$

Answer

$$-(7*^3+2)**4$$

Solution


Remove parentheses.
\[(7{}^{2}+2)\times \times -4\]
Use Product Rule: \({x}^{a}{x}^{b}={x}^{a+b}\).
\[(7{}^{3}+2)\times \times -4\]
Simplify negative sign.
\[-(7{}^{3}+2)\times \times 4\]
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