You can press this button to clear the numbers. Put an integer in each of these 4 boxes. Make sure none of them are zero! Otherwise, you won't be doing anything!
Next, press the Question button. Factor x2 x
PUT YOUR ANSWER HERE If your answer is (2x-5)(-3x+7), put 2 in the first box, -5 in the second box, -3 in the third box and 7 in the fourth box.
And press this button.
If you want, you can either get another question with the same numbers or put in some new numbers and get another question.