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Math

Answered

[tex]f(x) = x {}^{2} - 4[/tex]

Sagot :

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Answer:

x1 = - 2 or x2 = 2

Step-by-step explanation:

f (x) = x2 - 4
0 = x2 - 4
- x2 = - 4
x2 = 4
x = ± 2
x = - 2 or x = 2

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