How do you factor and solve #x^2 + 4x - 7 = 0#?
1 Answer
Jul 11, 2016
The are no factors, so you would have to use the quadratic formula or the method of completing the square.
Explanation:
This expression does not factorise as there are no integral factors of 7 which subtract to give 4.
The equation would have to be solved by the quadratic formula or by completing the square.
