Here we answer the question: "What two numbers multiply to -649 and add up to -48?"
The answer to your question is:
-59 and 11
Below we illustrate and prove that -59 and 11 multiply to -649 and add up to -48:
-59 × 11 = -649
-59 + 11 = -48
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 48x - 649 = 0
If so, the solution to factor the quadratic equation above is:
(x - 59 ) (x + 11)
To summarize, since -59 and 11 multiply to -649 and add up -48, you know that the following is true:
x2 - 48x - 649 = (x - 59 ) (x + 11)
Multiply To One Number and Add Up To Another
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