Question

1/ Tim x
(x-2)^2=250000

Answer 1

(x-2)²=25000=>(x-2)=500

x-2=500

x=500+2

x=502

Answer 2

=> x - 2 = 500 => x = 502

hoặc x - 2 = -500 => x = -498

Vậy x = 502; x= -498

Answer 3

(x-2)^2=250000

(x-2)^2=500^2

x-2=500

x=500+2

x=502.