What two numbers multiply to -64 and add up to -63?




Here we answer the question: "What two numbers multiply to -64 and add up to -63?"

The answer to your question is:

-64 and 1


Below we illustrate and prove that -64 and 1 multiply to -64 and add up to -63:

-64 × 1 = -64
-64 + 1 = -63

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

x2 - 63x - 64 = 0

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

(x - 64 ) (x + 1)

To summarize, since -64 and 1 multiply to -64 and add up -63, you know that the following is true:

x2 - 63x - 64 = (x - 64 ) (x + 1)


Multiply To One Number and Add Up To Another
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