Question

What is the value of the expression x^2+9/x^2 when x=0

Answer 1

The answer is undefined or no solution

Explanation
X^2+9/x^2

Plug 0 into x
0^2+9/0^2

Do exponents
0^2 = 0

0+9/0

Then addition
9/0

Then you would divide but since you can’t divide by 0 the answer is undefined or no solution