Here we answer the question: "What two numbers multiply to -990 and add up to -37?"
The answer to your question is:
-55 and 18
Below we illustrate and prove that -55 and 18 multiply to -990 and add up to -37:
-55 × 18 = -990
-55 + 18 = -37
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 37x - 990 = 0
If so, the solution to factor the quadratic equation above is:
(x - 55 ) (x + 18)
To summarize, since -55 and 18 multiply to -990 and add up -37, you know that the following is true:
x2 - 37x - 990 = (x - 55 ) (x + 18)
Multiply To One Number and Add Up To Another
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