What times what equals 42 and adds up to 11?

Answer 1

53

Answer 2

There are no two real numbers that do so, but the two complex numbers which do so are:

11/2 + i√47/2 and 11/2 - i√47/2

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If you meant what two number have a product of -42 (ie NEGATIVE 42) and a sum of 11, then the two numbers are 14 and -3
Or a product of -42 and a sum of -11 (negative 11), then the two numbers are -14 and 3.

The signs of the coefficients of a quadratic are important