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The factor pairs of 4 are (4,1)(2,2)
Neither of them add up to 3.
If that was -4 you could use 4 and -1
5 and -3
There are no two real numbers that will add to -9 and multiply to 81. Using complex numbers, the two numbers are: (-9/2 + i9/2√3) and (-9/2 - i9/2√3)
-29
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