Here we answer the question: "What two numbers multiply to -507 and add up to -26?"
The answer to your question is:
-39 and 13
Below we illustrate and prove that -39 and 13 multiply to -507 and add up to -26:
-39 × 13 = -507
-39 + 13 = -26
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 26x - 507 = 0
If so, the solution to factor the quadratic equation above is:
(x - 39 ) (x + 13)
To summarize, since -39 and 13 multiply to -507 and add up -26, you know that the following is true:
x2 - 26x - 507 = (x - 39 ) (x + 13)
Multiply To One Number and Add Up To Another
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