<h3>Answer: Choice C</h3>
Here's how the verification would look like

using the identity here

Y=x+3 (I did this in my head so I'm not sure)
Answer:
45
Step-by-step explanation:
c^2*b
We know that c is 3, and b is 5, so we can substitute them in
3^2*5
Solve the exponent first
9*5
Multiply
45
Combine like terms the solve. For example:
5x + 20x = 100
25x = 100
/25 = /25
x =4