Here we answer the question: "What two numbers multiply to -966 and add up to -19?"
The answer to your question is:
-42 and 23
Below we illustrate and prove that -42 and 23 multiply to -966 and add up to -19:
-42 × 23 = -966
-42 + 23 = -19
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 19x - 966 = 0
If so, the solution to factor the quadratic equation above is:
(x - 42 ) (x + 23)
To summarize, since -42 and 23 multiply to -966 and add up -19, you know that the following is true:
x2 - 19x - 966 = (x - 42 ) (x + 23)
Multiply To One Number and Add Up To Another
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