SOLUTION: What multiplies to give me -18 and adds to give me 3

Question 1028765: What multiplies to give me -18 and adds to give me 3
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
What multiplies to give me -18 and adds to give me 3
----
6 and -3
--------------
Cheers,
Stan H.
-----------------
x + y = 3
xy = -18
------
x(3-x) = -18
3x - x^2 = -18
x^2 - 3x - 18 = 0
-------
(x-6)(x+3) = 0
x = 6 or x = -3
---------------------

RELATED QUESTIONS
What adds to give you '+90' and multiplies to give you... (answered by Edwin McCravy)

What multiplies to give you -60 and adds to give you... (answered by Fombitz,Seutip)

What multiplies to -18 and adds to... (answered by Alan3354)

What adds to give you -35 but multiplies to give you... (answered by Theo)

What adds to make 5 and multiplies to get... (answered by Edwin McCravy)

what multiplies to get -270 and adds to get -3? (answered by tommyt3rd)

what multiplies to be -3 but adds to be... (answered by Boreal,MathLover1)

what multiplies to get 5 and adds up to... (answered by jsmallt9)

What multiplies to -30 and adds to... (answered by Fombitz)