SOLUTION: What numbers have a sum of 3 and a product of -180?

SOLUTION: What numbers have a sum of 3 and a product of -180?

Algebra.Com

Question 452589: What numbers have a sum of 3 and a product of -180?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let the numbers be and
given:
(1)
(2)
---------------
(1)
(1)
Substitute this into (2)
(2)
(2)
(2)
Solve using the quadratic formula

and, since

check the answer:
(2)
(2)
(2)
OK
The numbers are 15 and -12
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