Every word problem has key words to look out for that tell you what operation to do. Precalculus word problem help. Webmath is a math-help web site that generates answers to specific math questions and problems as entered by a user at any particular moment.
Mark up the question.
Choose a strategy to solve the problem. Another of the apps that solve math word problems. You start by putting your pencil down and taking a deep breath. X 2 - 4 x - 5 0.