Answer:
Step-by-step explanation:
Expression: x² - 9
When x = 3, the expression becomes
x² - 9 = 3² - 9
= 9 - 9 = 0
Therefore, the expression x² - 9 if x = 3 is equal to C. 0.
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Answers & Comments
Answer:
C. 0
Step-by-step explanation:
Expression: x² - 9
When x = 3, the expression becomes
x² - 9 = 3² - 9
= 9 - 9 = 0
Therefore, the expression x² - 9 if x = 3 is equal to C. 0.