Question

How do you multiply and simplify `\frac { 2} { ( q + 4) } \cdot \frac { 9q + 54} { ( q + 6) }`?

Answer 1

`18/(q+4)`

Explanation:

`2/(q+4)*(9q+54)/(q+4)=2/(q+4)*9cancel((q+6))/cancel((q+6))=9*2/(q+4)=18/(q+4)`
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