Answer:
The equivalent expression is:

Step-by-step explanation:
We have been given the equation:

Equivalent expression can be computed by solving the expression ai its maximum.
We can factorize the given equation:
By using 
Here, 
Hence, we get the equation below:

Therefore, the equivalent expression is:

Answer:
48x+13.8
Step-by-step explanation:
i think you stack them and cross multiply.
Six plus three is nine, thus the lowest answer.