gistfile1.txt

    <div class="solution" data-type="custom">
      <div class="instruction">
        Enter the factored expression here:<br>
        <input name="response" type="text"></input>
      </div>
      <div class="guess">jQuery( "div.instruction input" ).val()</div>
      <div class="validator-function">
        return MATH.isEqual(MATH.parse(guess), SOLUTION)
      </div>
      <div class="show-guess">
      </div>
      <div class="show-guess-solutionarea">
        jQuery( "div.instruction input" ).val( guess )
      </div>
      <div class="example">(x+2)^2</div>
    </div>