What two numbers multiply to -171 and add up to -10?




Here we answer the question: "What two numbers multiply to -171 and add up to -10?"

The answer to your question is:

-19 and 9


Below we illustrate and prove that -19 and 9 multiply to -171 and add up to -10:

-19 × 9 = -171
-19 + 9 = -10

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

x2 - 10x - 171 = 0

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

(x - 19 ) (x + 9)

To summarize, since -19 and 9 multiply to -171 and add up -10, you know that the following is true:

x2 - 10x - 171 = (x - 19 ) (x + 9)


Multiply To One Number and Add Up To Another
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