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√(x—8)=3

a. 16
b. 18
c. 17
d. 15​


Sagot :

Answer:

c.

Step-by-step explanation:

[tex] \sqrt{x-8}=3[/tex]

[tex] {(x - 8)}^{ \frac{1}{2} } = 3[/tex]

then square both sides,

[tex]x - 8 = 9[/tex]

then,

[tex]x = 17[/tex]