Anyone know how to do this kind of algebra?
compute the discriminants of the next two quadratic equations. compare the result in (a) to that in (b). what do you observe from the comparison?
(a) 3x^{2} + 5x+ 1 = 0
(b) 3x^{2} −5x+ 1 = 0
can someone explain this one?

Jane is cooking beans and rice for dinner tonight. she has 4 cans of black beans, 6 cans of red beans, and 3 cans of garbanzo beans in her cupboard. if she grabs a can of beans without looking at the label, what is the probability of her making black beans and rice for dinner?