Question

If the distance between two points A (x , -1) , B ( 1 ,15) is 10. Find the value of x.


plz give the correct ans. according to 9th classs​

Answer 1

x^2+1+2x-196-100=0

x^2+2x-195=0

x= (-2+√(4+780))/2,(-2-√(4+780))/2

x= -1+14 ,-1-14

x=13 ,-15