cpeake17 cpeake17
  • 13-02-2019
  • Mathematics
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What is one of the roots? (x − 5)2 = 9

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 13-02-2019

Answer:

The solutions are x=8  and x=2

Step-by-step explanation:

(x − 5)^2 = 9

Take the square root of each side

sqrt( (x − 5)^2) = ±sqrt(9)

x-5 = ±3

x-5 = 3      x-5 = -3

Add 5 to each side

x-5+5 = 3+5     x-5+5 = -3+5

x= 8       x=2

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