Question

if distance between (x,-1)and(3,2) is 5 unit then find the value of x

Answer 1

(x-3)^2+(-1-3)^2=5^2
(x-3)^2+16=25
(x-4)^2=9
x-4=+-3

x-4=3 x-4=-3
x=7 x=1