SOLUTION: what two numbers add to negative 6 and multiply to negative 91

Question 1003316: what two numbers add to negative 6 and multiply to negative 91
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

let two numbers be and
if they add to negative , we have
..........eq.1
and if they multiply to negative , we have
..........eq.2
solve the system:
..........eq.1
..........eq.2
-----------------------------
start with ..........eq.1, solve for
....substitute it in eq.2 and solve for
..........eq.2

......factor completely

solutions:
if =>
if =>
now find
..........if

..........if

so, your numbers are:

and
or
and

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