equation

[tiigrike]

I have equation like this:
Q=((a-2b)±√(a^2+4ab+4b^2-8bc))/4b


How i get the solution? And what conditions i get , like b is not 0, but a and c?

 

[Deleted member 4993]

I have equation like this:
Q=((a-2b)±√(a^2+4ab+4b^2-8bc))/4b


How i get the solution? And what conditions i get , like b is not 0, but a and c?

As posted, you can have b = 0 [ you posted Q=((a-2*b)±√(a^2+4*a*b+4*b^2-8*b*c))/4 * b]

you probably should have posted:


Q=((a-2*b)±√(a^2+4*a*b+4*b^2-8*b*c))/[4 * b]

Anyway, I am not sure what you do mean by "solution". Please expound.

Please share your work with us, indicating exactly where you are stuck - so that we may know where to begin to help you.

 

[HallsofIvy]

Solve for which "unknown"?