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19-12-2020
Mathematics

contestada

Find the zeros of the function.
Enter the solutions from least to greatest.
f(x) = 5x^2 – 20

Respuesta :

Yang100 Yang100

24-12-2020

Answer:

x=-2, 2.

Step-by-step explanation:

5x^2-20=0

factor out the 5

5(x^2-4)=0

5(x+2)(x-2)=0

(x+2)(x-2)=0/5

(x+2)(x-2)=0

x+2=0, x-2=0

x=0-2=-2,

x=0+2=2.

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