SOLUTION: What two numbers multiply to -12 but add up to 1?

Question 861913: What two numbers multiply to -12 but add up to 1?
Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Try pairs of factors of 12.

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
and assuming , .
Two equations and two unknown variables.

from the second equation.
substituted into the first equation.

-
-
and you see what to do from that?
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