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-4, -25

xy=100

x+y=-29

Rearrange the 1st equation & substitute into the second:

x+(100/x) = -29

x*(x+(100/x))=29*x [multiply both sides by x to get rid of x in the denominator]

x2+100 = -29x

x2+29x+100=0

Use the quadratic formula to solve for x, where a=1, b=29, c=100.

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Q: What 2 numbers multiplied together equal 100 and added together equal -29?
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