Answer:
D
Step-by-step explanation:
An excluded value is any value of x that makes the denominator of the rational expression zero as this would make the expression undefined.
Consider expression D

This will be undefined when
x + 5 = 0 ⇒ x = - 5 ← excluded value → D
Okay so student 2 is correct
Student one is wrong because
The student didn’t multiply by correctly
And student 3 -5(-2) its +10 not -10
X and Y as variables
thank
Answer:
A.............
Step-by-step explanation:
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