My friend says But I said its Which one of us is right?
Follow Math Help Forum on Facebook and Google+
Originally Posted by nerdzor My friend says But I said its Which one of us is right? Your friend is correct. or or
you could have expanded both to see which was correct. note that in your form you had two positive x's. this means that when we multiply them, they will yield a positive x^2, which is not what you want. one must be positive and the other negative...
View Tag Cloud