Why can the following problem NOT be factored? x2−7x+9 (1 point) Responses The coefficients are all odd integers. The coefficients are all odd integers. There is not a greatest common factor. There is not a greatest common factor. There are no two integers that give a product of 9 and a sum of -7. There are no two integers that give a product of 9 and a sum of -7. Sorry, but this problem can be factored!
