Respuesta :

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

oghomeschoolerbw

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

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