What two numbers multiply to -448 and add up to 57?




Here we answer the question: "What two numbers multiply to -448 and add up to 57?"

The answer to your question is:

-7 and 64


Below we illustrate and prove that -7 and 64 multiply to -448 and add up to 57:

-7 × 64 = -448
-7 + 64 = 57

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

x2 + 57x - 448 = 0

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

(x - 7 ) (x + 64)

To summarize, since -7 and 64 multiply to -448 and add up 57, you know that the following is true:

x2 + 57x - 448 = (x - 7 ) (x + 64)


Multiply To One Number and Add Up To Another
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