Just enter in the equation you want solved (say, for example, Solve 2x3 - 6.543x = x2, then click the Show steps link to see how you could solve the problem yourself next time without the help of Wolfram Alpha. It'll then walk you through all the steps necessary to reach your answer. TI-85, eat your heart out.
Have you ever given up working on a math problem because you couldn’t figure out the next step? Wolfram|Alpha can guide you step by step through the process of solving many mathematical problems, from solving a simple quadratic equation to taking the integral of a complex function.
When trying to find the roots of 3x2+x–7=4x, Wolfram|Alpha can break down the steps for you if you click the “Show steps” button in the Result pod.
http://blog.wolframalpha.com/2009/12/01/step-by-step-math/