Question 250649
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*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x^2\ -\ 7x\ -\ 4\ =\ -10]


Add 10 to both sides of the equation to put it into standard form:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x^2\ -\ 7x\ +\ 6\ =\ 0]


Then solve the factorable quadratic.  Hint:  -6 + (-1) = -7 and -6 X -1 = 6.


John
*[tex \LARGE e^{i\pi} + 1 = 0]
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