What two numbers multiply to 138 and add up to -71?




Here we answer the question: "What two numbers multiply to 138 and add up to -71?"

The answer to your question is:

-69 and -2


Below we illustrate and prove that -69 and -2 multiply to 138 and add up to -71:

-69 × -2 = 138
-69 + -2 = -71

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

x2 - 71x + 138 = 0

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

(x - 69 ) (x - 2)

To summarize, since -69 and -2 multiply to 138 and add up -71, you know that the following is true:

x2 - 71x + 138 = (x - 69 ) (x - 2)


Multiply To One Number and Add Up To Another
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