Here we answer the question: "What two numbers multiply to -980 and add up to -29?"
The answer to your question is:
-49 and 20
Below we illustrate and prove that -49 and 20 multiply to -980 and add up to -29:
-49 × 20 = -980
-49 + 20 = -29
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 29x - 980 = 0
If so, the solution to factor the quadratic equation above is:
(x - 49 ) (x + 20)
To summarize, since -49 and 20 multiply to -980 and add up -29, you know that the following is true:
x2 - 29x - 980 = (x - 49 ) (x + 20)
Multiply To One Number and Add Up To Another
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