3(x - 4)^2 = 15 using the square root method.

Please and thank you.

x = √5 + 4 , -√5 + 4

Step-by-step explanation:

3(x - 4)^2 = 15

/3                /3           (divide both sides by 3)

(x - 4)^2 = 5

(x−4)^2⋅1/2 = ±√5           (take square root of both sides)

x - 4 = ±√5                      (add 4 on both sides)

  +         +4

x = √5 + 4 , x = -√5 + 4

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step-by-step explanation:

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b. 153 students do not participate in sports and seventy-five 12th graders were surveyed