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kirza4 [7]
3 years ago
14

If a= -5, what is the value of a^2-4/a+2

Mathematics
1 answer:
Luda [366]3 years ago
5 0

Answer:

-7

Step-by-step explanation: When a= 5, let's substitute all a's with 5 in the expression:

\frac{a^{2}-4 }{a+2}\\\frac{(-5)^{2}-4 }{-5+2}\\\\\frac{25-4}{-3}\\\frac{21}{-3} \\= -7

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