Here we answer the question: "What two numbers multiply to -945 and add up to 48?"
The answer to your question is:
-15 and 63
Below we illustrate and prove that -15 and 63 multiply to -945 and add up to 48:
-15 × 63 = -945
-15 + 63 = 48
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 48x - 945 = 0
If so, the solution to factor the quadratic equation above is:
(x - 15 ) (x + 63)
To summarize, since -15 and 63 multiply to -945 and add up 48, you know that the following is true:
x2 + 48x - 945 = (x - 15 ) (x + 63)
Multiply To One Number and Add Up To Another
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