What two numbers multiply to -840 and add up to 41?




Here we answer the question: "What two numbers multiply to -840 and add up to 41?"

The answer to your question is:

-15 and 56


Below we illustrate and prove that -15 and 56 multiply to -840 and add up to 41:

-15 × 56 = -840
-15 + 56 = 41

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

x2 + 41x - 840 = 0

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

(x - 15 ) (x + 56)

To summarize, since -15 and 56 multiply to -840 and add up 41, you know that the following is true:

x2 + 41x - 840 = (x - 15 ) (x + 56)


Multiply To One Number and Add Up To Another
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