Question

y^2-2y=4

Answer 1

FIrst subtract 4 from both ssides so you can factor it.
\(y^2-2y-4\) do you know how to factor this?

Answer 2

yes thanks

Answer 3

well the problem is it won't factor...

easiest option is to complete the square in y then solve

or use the general quadratic formula

Answer 4

You need to use the quadratic formula to do so, like @campbell_st said

Answer 5

whats the quadratic formula

Answer 6

\(\large x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\)

Answer 7

But you could also complete the square