Answer: 4 to the 9th power. This is the answer to the picture. I used the app "Photomath"
Hope this helps :)
Answer:

Step-by-step explanation:

Split the second term (5x) into two terms. Multiply the coefficient of the first term (2) by the constant term (3):

Find which two numbers add up to 5 and multiply into 6:

Split 5x as the sum of 3x and 2x:

Now factor out a common term for the first 2 terms:

And do the same for the last 2 terms:

Re-insert:

Factor out the common term 2x+3 and insert the values in front of the parentheses (x and 1):

Separate the parentheses and equal them to 0. Solve for x:

and

Answer:
The average number of students in kindergarten classes is 21.
Step-by-step explanation:
To do this, just add them up and divide by the total number (which is 10).