What two numbers multiply to 660 and add up to -71?




Here we answer the question: "What two numbers multiply to 660 and add up to -71?"

The answer to your question is:

-60 and -11


Below we illustrate and prove that -60 and -11 multiply to 660 and add up to -71:

-60 × -11 = 660
-60 + -11 = -71

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

x2 - 71x + 660 = 0

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

(x - 60 ) (x - 11)

To summarize, since -60 and -11 multiply to 660 and add up -71, you know that the following is true:

x2 - 71x + 660 = (x - 60 ) (x - 11)


Multiply To One Number and Add Up To Another
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