Here we answer the question: "What two numbers multiply to -874 and add up to -15?"
The answer to your question is:
-38 and 23
Below we illustrate and prove that -38 and 23 multiply to -874 and add up to -15:
-38 × 23 = -874
-38 + 23 = -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 - 38 ) (x + 23)
To summarize, since -38 and 23 multiply to -874 and add up -15, you know that the following is true:
x2 - 15x - 874 = (x - 38 ) (x + 23)
Multiply To One Number and Add Up To Another
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