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x+y=-14

xy=-17

y=-x+-14

xy=x(-x-14)=17

x(-x-14)=17

-x2-14x=17

-x2-14x-17=0

Quadratic formula.

When you plug it in you get 14+or-sqrt128 all over -2. That number doesn't come out evenly, so plug both instances into the first equation to get your answer.

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Q: What multiplies to -14 and adds to -17?
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