What two numbers multiply to -140 and add up to -4?




Here we answer the question: "What two numbers multiply to -140 and add up to -4?"

The answer to your question is:

-14 and 10


Below we illustrate and prove that -14 and 10 multiply to -140 and add up to -4:

-14 × 10 = -140
-14 + 10 = -4

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

x2 - 4x - 140 = 0

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

(x - 14 ) (x + 10)

To summarize, since -14 and 10 multiply to -140 and add up -4, you know that the following is true:

x2 - 4x - 140 = (x - 14 ) (x + 10)


Multiply To One Number and Add Up To Another
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