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Eduardwww [97]
4 years ago
6

What are the zeros of f(x) = x2 - 8x+ 15?​

Mathematics
1 answer:
Dimas [21]4 years ago
3 0

Answer:

x=5   x=3

Step-by-step explanation:

f(x) = x^2 - 8x+ 15

Factor

What two numbers multiply to 15 and add to -8

-5*-3 = 15

-5+-3 = -8

f(x) = (x-5) (x-3)

Setting equal to 0

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

Using the zero product property

x-5 =0     x-3=0

x=5   x=3

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