cruzcora
Oct 31, 2006, 07:07 PM
what the answer for x2-4=0 use a graph to estimate the solutions of the equiation
s_cianci
Oct 31, 2006, 07:58 PM
Graph the equation, either by hand or by graphing calculator. Either way, it's fairly easy to see that the solutions are x = 2 and -2. This can also easily be done by factoring.