Nissos and Chelita were arguing over a math problem. Nissos was trying to explain to Chelita that she had made a mistake in finding the -intercepts of the function . “No way!” Chelita exclaimed. “I know how to find -intercepts! You make the equal to zero and solve for . I know I did this right!” Here is Chelita’s work: Homework Help ✎
, so .
Nissos tried to explain to Chelita that she had done something wrong. What is Chelita’s error? Justify and explain your answer completely.