Mollusks: clam, snail, mussel, oyster, scallop[?]
Crustaceans: shrimp, lobster, crayfish
... \right) x + \frac{c}{a}=0 </math> which is equivalent to <math>x^2+\frac{b}{a}x=-\frac{c}{a}.</math> The equation is now in a form in ...