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Q: What two numbers multiplies to 784 and adds up to -56?

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-49 and -16.

4 and 25

37.32 2.68

120

5

110

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-64

1155

In ordinary (real) numbers there are no two numbers that add to 3 and multiply to 6. In complex numbers, the two are: 3/2 + i sqrt(15)/2 and 3/2 - i sqrt(15)/2.

-18 + -18 = -36 -18 x -18 = 324 The two numbers are both -18.

219

129

There are no two real numbers that add to 2 and multiply together to get 2. Using complex numbers, (1 + i) and (1 - i) add to 2 and multiply together to get 2.

57

-8

-103

5

3150

They are -1 and -3

The numbers are: 4 and -6

-13

21 multiplies to 21 to make it 441