What two numbers multiply to -510 and add up to -13?




Here we answer the question: "What two numbers multiply to -510 and add up to -13?"

The answer to your question is:

-30 and 17


Below we illustrate and prove that -30 and 17 multiply to -510 and add up to -13:

-30 × 17 = -510
-30 + 17 = -13

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

x2 - 13x - 510 = 0

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

(x - 30 ) (x + 17)

To summarize, since -30 and 17 multiply to -510 and add up -13, you know that the following is true:

x2 - 13x - 510 = (x - 30 ) (x + 17)


Multiply To One Number and Add Up To Another
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