automaticloveletter
  • automaticloveletter
What two numbers multiply to 20 and add to -12?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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idku
  • idku
a • b = 20 a - b = -12
idku
  • idku
Solve this system of equations. (you can use substitution)
anonymous
  • anonymous
-2 multiplied by -10 is 20. -2+ (-10) = -12.

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mathstudent55
  • mathstudent55
Better yet, you can guess. Make a list of all factors of 20 using only negative factors. Then add each pair of factors until you find the correct pair. Negative Sum of Factors of 20 Factors -1, -20 -21 ---> sum does not work -2, -10 -12 ---> here it is on the second try -4, -5 -9 ---> done just for completeness

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