Respuesta :

Answer:

x=33.5

Step-by-step explanation:

(x − 21)2 = 25

2x-42=25

2x=67

x=33.5

Chelboy

Answer:x=7 x=-3

Step-by-step explanation:

(x-2)^2=25

Take the Square root of both sides

(x-2)=±√(25)

x-2=±5

x=2±5

x=2+5 or x=2-5

x=7 or x=-3

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