Hello! Please will someone help me with the following question, I am going wrong somewhere.
Find the co-ordinates of the points of intersection of the line y=2x and the curve y=x^2+6x-5.

Question

Hello! Please will someone help me with the following question, I am going wrong somewhere.
Find the co-ordinates of the points of intersection  of the line y=2x and the curve y=x^2+6x-5.

anonymous · Answer

Here is my working out so far. I didn't carry on because I know theres already something wrong.

anonymous · Answer

If you're completing the square, the number you add is $$\left( \frac{ b }{ 2 } \right)^2$$.
Your b is 4, so you should add (4/2)² = 4 to both sides.
Your third line should be
$$x^2+4x+4=9$$

anonymous · Answer

Oh I see! Thank you!

anonymous · Answer

you're welcome