RE: Dividing by variable when solving algebraic equation25th October 2016, 21:58
(25th October 2016, 21:54)Fireball Wrote:(25th October 2016, 08:13)robvalue Wrote: It may have a repeated solution, however. Some quadratic equations have no real solutions, but they all have at least one complex solution.
Could I have an example?
Any equation where the constant is positive will do.
E.g. x^2 + 4
Let's test where it intersects the x axis:
x^2 + 4 = 0
=> x^2 = -4
therefore, x = 2i