Here we answer the question: "What two numbers multiply to -524 and add up to -127?"
The answer to your question is:
-131 and 4
Below we illustrate and prove that -131 and 4 multiply to -524 and add up to -127:
-131 × 4 = -524
-131 + 4 = -127
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 127x - 524 = 0
If so, the solution to factor the quadratic equation above is:
(x - 131 ) (x + 4)
To summarize, since -131 and 4 multiply to -524 and add up -127, you know that the following is true:
x2 - 127x - 524 = (x - 131 ) (x + 4)
Multiply To One Number and Add Up To Another
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