Here we answer the question: "What two numbers multiply to -874 and add up to 15?"
The answer to your question is:
-23 and 38
Below we illustrate and prove that -23 and 38 multiply to -874 and add up to 15:
-23 × 38 = -874
-23 + 38 = 15
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 15x - 874 = 0
If so, the solution to factor the quadratic equation above is:
(x - 23 ) (x + 38)
To summarize, since -23 and 38 multiply to -874 and add up 15, you know that the following is true:
x2 + 15x - 874 = (x - 23 ) (x + 38)
Multiply To One Number and Add Up To Another
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