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.
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.
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