What two numbers multiply to -516 and add up to 80?




Here we answer the question: "What two numbers multiply to -516 and add up to 80?"

The answer to your question is:

-6 and 86


Below we illustrate and prove that -6 and 86 multiply to -516 and add up to 80:

-6 × 86 = -516
-6 + 86 = 80

Are you asking because you are trying to figure out how to factor the following quadratic equation?

x2 + 80x - 516 = 0

If so, the solution to factor the quadratic equation above is:

(x - 6 ) (x + 86)

To summarize, since -6 and 86 multiply to -516 and add up 80, you know that the following is true:

x2 + 80x - 516 = (x - 6 ) (x + 86)


Multiply To One Number and Add Up To Another
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