Hi,
I have a question in regard to a quadratic formula I'm solving.
4(a+b)±√(16(a²+2ab+b²)-48ab) / 24
4(a+b)±4√(a²-ab+b²) / 24
I don't understand how +2ab became -ab and why -48ab disappeared.
Anyone able to clarify that for me?
Thanks
David
Hi,
I have a question in regard to a quadratic formula I'm solving.
4(a+b)±√(16(a²+2ab+b²)-48ab) / 24
4(a+b)±4√(a²-ab+b²) / 24
I don't understand how +2ab became -ab and why -48ab disappeared.
Anyone able to clarify that for me?
Thanks
David