What are the solutions to the equation (x - 21) 2 = 25?

Question

Mathematics

Jeramiah Mendoza

27 November, 12:51

What are the solutions to the equation (x - 21) 2 = 25?

+5

Answers (2)

Know the Answer?

Helena · Answer 1

x=33.5

Step-by-step explanation:

(x - 21) 2 = 25

2x-42=25

2x=67

x=33.5

Zachery Cowan · Answer 2

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