Question

1+2=x^2 find x

Answer 1

are you sure its not 1 + 2x = x^2?

Answer 2

yeah. Something wrong with it.

Answer 3

If it is 1+2x=x^2 then @owlzz should get that x^2-2x-1=0.

Answer 4

Then you would have to use the quadratic formula. Do you know it?

Answer 5

i dont know wheres my ex

Answer 6

For any polynomial ax^2+bx+c=0:\[x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\]

Answer 7

@owlzz