Here we answer the question: "What two numbers multiply to -799 and add up to -30?"
The answer to your question is:
-47 and 17
Below we illustrate and prove that -47 and 17 multiply to -799 and add up to -30:
-47 × 17 = -799
-47 + 17 = -30
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 30x - 799 = 0
If so, the solution to factor the quadratic equation above is:
(x - 47 ) (x + 17)
To summarize, since -47 and 17 multiply to -799 and add up -30, you know that the following is true:
x2 - 30x - 799 = (x - 47 ) (x + 17)
Multiply To One Number and Add Up To Another
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