Q: What 2 numbers multiply to 120 and add to -121?

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Those two numbers would be 80 and 40. 80*40=3200 80+40=120

15

There are no two real numbers that do. Using complex numbers, these two do: (-3/2 + i√151/2) & (-3/2 - i√151/2) Two numbers that add to -3 and multiply to -40 are -8 & 5 Two numbers that add to 3 and multiply to -40 are 8 & -5 Two complex numbers that add to 3 and multiply to 40 are (3/2 + i√151/2) & (3/2 - i√151/2)

51

-10 and -3

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99

-101

-6 and -20

-15+-8=-23 -15*-8=120

None of the factor pairs of 120 add up to -14. If that was -120, you could use -20 and 6.

113

-127

120

-134

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3.625

154