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ss7ja [257]
4 years ago
9

What are the excluded values? 0 and 15 3 and -5 -3 and 5

Mathematics
1 answer:
Dima020 [189]4 years ago
7 0

Answer:

x=5    x = -3

Step-by-step explanation:

-7 / ( x^2 -2x -15)

Factor the denominator

-7

----

(x-5) ( x+3)

The excluded values are when the denominator is equal to zero

(x-5) (x+3) =0

x-5 =0   x+3=0

x=5    x = -3

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