Thank you Alan to make it clear ..
thank you Melody and seven up
oh yes yes .. hhhhhhhh I put sinx insted of cosx
Thank you Alan =)
Thank you Seven up .. amd waiting for Alan .. ~
Any one ?
Now its clear .. thank you
Melody
I don't get it
$$-x^2+6x-9$$ = $$(x-3)^2$$
Also
$$x^2-6x+9 = (x-3)^2$$
so what is wrong !!!
very clear Thank you melody
Thank you Alan and SevenUP
No its not a question
those are Steps and I put my question at the bottom