SOLUTION: what are two numbers that add together to make -1 and multiply together to make -42? Thanks.

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Question 904990: what are two numbers that add together to make -1 and multiply together to make -42? Thanks.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
xy = -42 0r y = -42%2Fx
x + y = -1
x + (-42/x) = -1 |Multiplying thru by x so as all denominators = 1
x^2 +x - 42 = 0
(x+7)(x-6) = 0
x is -7, 6
and
y = 6, -7
Ordered pairs
(-7,6) or (6,-7) are solutions to this system of EQs