1. ## x(60-x)-96

I have x(60-x)-96 =x^2+60x-96

to get the answer I know I have to expand out from the brackts, however I make it -60x not 60x, I`m stuck on what I am doing wrong

Dave

2. ## Re: x(60-x)-96

Originally Posted by davellew69
I have x(60-x)-96 =x^2+60x-96

to get the answer I know I have to expand out from the brackts, however I make it -60x not 60x, I`m stuck on what I am doing wrong

Dave
$x(60-x)-96 = (60x-x^2)-96 = -x^2+60x-96$

3. ## Re: x(60-x)-96

thank, as soon as I saw your reply it all clicked. cheers