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Hey! still here ?

yes

First of all, notice that the total journey has taken \(1\) hour.

total time of journey = `forward time of journey` + `return time of journey`

similarly, the `return time of journey` is given by \(\dfrac{1~ km}{(x+1) ~km/hr}\)

Got it. Thank you so much @ganeshie8 :)

np :)
btw, \(x\) is the speed of car, not the distance travelled by car

you will need to mulltiply \(x\) by the total time of journey to get the distance travelled

Yes. However, I am not able to split the equation as it is coming out as x2 - 2x -1 = 0

which will be x2-2x + 1x - 1 = 0

\(x^2 - 2x - 1 = 0\)
we could simply use quadritic formula..

Okay.

Is the distance travelled by the car independent of its velocity? I couldn't think straight now.