What two numbers multiply to -385 and add up to -72?




Here we answer the question: "What two numbers multiply to -385 and add up to -72?"

The answer to your question is:

-77 and 5


Below we illustrate and prove that -77 and 5 multiply to -385 and add up to -72:

-77 × 5 = -385
-77 + 5 = -72

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

x2 - 72x - 385 = 0

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

(x - 77 ) (x + 5)

To summarize, since -77 and 5 multiply to -385 and add up -72, you know that the following is true:

x2 - 72x - 385 = (x - 77 ) (x + 5)


Multiply To One Number and Add Up To Another
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