Answer:

Explanation:
In order to turn these words into expressions, we have to break down the questions.
A:
”3 more than the square of x”
We know that the square of x will be
. Adding 3 to that will be
.
B:
We know that the sum of 3 and x will be
. We also know that squaring this will get us
.
Hope this helped! (Sorry for a short explanation!)