What two numbers multiply to -510 and add up to -79?




Here we answer the question: "What two numbers multiply to -510 and add up to -79?"

The answer to your question is:

-85 and 6


Below we illustrate and prove that -85 and 6 multiply to -510 and add up to -79:

-85 × 6 = -510
-85 + 6 = -79

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

x2 - 79x - 510 = 0

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

(x - 85 ) (x + 6)

To summarize, since -85 and 6 multiply to -510 and add up -79, you know that the following is true:

x2 - 79x - 510 = (x - 85 ) (x + 6)


Multiply To One Number and Add Up To Another
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