How do you factor and solve $x^2 + 4x - 7 = 0$ ?

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Answer 1 · 2016-07-11T17:42:45

The are no factors, so you would have to use the quadratic formula or the method of completing the square.

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.

How do you factor and solve x^2 + 4x - 7 = 0x^2 + 4x - 7 = 0?