Question

Find x if the distance between points (x, 4) and(3, 4)=10

Answer 1

you can do by distance formula under root( x2 - x1 ) + ( y2 - y1)

Answer 2

_/ (9-x^2)+(16-16) = 10
On squaring both sides
=> (9–x^2)=100
=> 9-x^2= 100
=> 9-100 = x^2
=> -81 = x^2
=> -_/81 = x
=> -9 = x