Problema Solution
two numbers added together get -7 the same two numbers multiplied to go get -120 what is it
Answer provided by our tutors
Let 'x' and 'y' represent the two numbers.
x + y = -7 follows y = -7 - x
xy = -120
Plug y = -7 - x into xy = -120:
x(-7 - x) = -120
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click here to see the equation solved for x
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x1 = 8
x2 = -15
For x = 8 we have y = - 7 - 8 = -15.
For x = -15 we have y = - 7 - (-15) = 8.
The two numbers are 8 and -15.