Answer: 
Step-by-step explanation:
<u>Given expression</u>
4x³ + 24x² - 288x
<u>Factorize 4x out from the expression</u>
4x · x² + 4x · 6x - 4x · 72
4x (x² + 6x - 72)
<u>Cross multiply to factorize the remaining polynomial expression</u>
<em>The meaning is to allow the factored product of the constant to add up to the first-degree term</em>
x 12
x -6
<u>Combine the result</u>

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Answer : 24
Explanation : As the attachment when referred for finding the number of patients registered. we have to just count the right integer part of the given plot.
As the plot describes the temperature of the patients on the left side and the number of times it was repeated.
So, the number of values is given by the number of leaves, one has to simply have to count the digits that are there on the right part of the plot
Which comes to the count of 24.
I believe this is the answer

good luck