What two numbers multiply to -512 and add up to -56?




Here we answer the question: "What two numbers multiply to -512 and add up to -56?"

The answer to your question is:

-64 and 8


Below we illustrate and prove that -64 and 8 multiply to -512 and add up to -56:

-64 × 8 = -512
-64 + 8 = -56

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

x2 - 56x - 512 = 0

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

(x - 64 ) (x + 8)

To summarize, since -64 and 8 multiply to -512 and add up -56, you know that the following is true:

x2 - 56x - 512 = (x - 64 ) (x + 8)


Multiply To One Number and Add Up To Another
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