Pickleboi152 Pickleboi152

15-07-2020
Mathematics

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

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

15-07-2020

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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