kitty2299
kitty2299 kitty2299
  • 13-05-2020
  • Mathematics
contestada

solve for x in the following equation, be sure to include both solution. (x-3)^2-10=15. Show all work. PLZ HELP!

Respuesta :

teensymarshmallow2 teensymarshmallow2
  • 13-05-2020

Answer:

x=8     x=-2

Step-by-step explanation:

(x - 3)^2 - 10 = 15

(x - 3)^2 = 15 + 10

(x - 3)^2 = 25

x - 3 = squareroot{25}

x - 3 = ±5

first solution:

x - 3 = 5

x = 5 + 3

x = 8

Second solution:

x - 3 = - 5

x = - 5 + 3

x = - 2

Answer Link
oghomeschoolerbw
oghomeschoolerbw oghomeschoolerbw
  • 14-05-2020

Answer:

x=8     x=-2

Step-by-step explanation:

(x - 3)^2 - 10 = 15

(x - 3)^2 = 15 + 10

(x - 3)^2 = 25

x - 3 = squareroot{25}

x - 3 = ±5

first solution:

x - 3 = 5

x = 5 + 3

x = 8

Second solution:

x - 3 = - 5

x = - 5 + 3

x = - 2

Answer Link

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