luanie2004 luanie2004
  • 01-10-2020
  • Mathematics
contestada

Select all solutions to the solution to the following quadratic.
(x - 2)2 = 25

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 01-10-2020

Answer:

x = 7,    x = -3

Step-by-step explanation:

(x - 2)^2 = 25

Take the square root of each side

sqrt((x - 2)^2) =±sqrt( 25)

x-2 = ±5

Add 2 to each side

x-2+2 = 2±5

x =  2±5

x = 2+5,  x=2-5

x = 7,    x = -3

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