What two numbers multiply to 720 and add up to -63?




Here we answer the question: "What two numbers multiply to 720 and add up to -63?"

The answer to your question is:

-48 and -15


Below we illustrate and prove that -48 and -15 multiply to 720 and add up to -63:

-48 × -15 = 720
-48 + -15 = -63

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

x2 - 63x + 720 = 0

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

(x - 48 ) (x - 15)

To summarize, since -48 and -15 multiply to 720 and add up -63, you know that the following is true:

x2 - 63x + 720 = (x - 48 ) (x - 15)


Multiply To One Number and Add Up To Another
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