Here we answer the question: "What two numbers multiply to -260 and add up to -61?"
The answer to your question is:
-65 and 4
Below we illustrate and prove that -65 and 4 multiply to -260 and add up to -61:
-65 × 4 = -260
-65 + 4 = -61
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 61x - 260 = 0
If so, the solution to factor the quadratic equation above is:
(x - 65 ) (x + 4)
To summarize, since -65 and 4 multiply to -260 and add up -61, you know that the following is true:
x2 - 61x - 260 = (x - 65 ) (x + 4)
Multiply To One Number and Add Up To Another
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