What two numbers multiply to -402 and add up to 131?

Here we answer the question: "What two numbers multiply to -402 and add up to 131?"

The answer to your question is:

-3 and 134

Below we illustrate and prove that -3 and 134 multiply to -402 and add up to 131:

-3 × 134 = -402
-3 + 134 = 131

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

x² + 131x - 402 = 0

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

(x - 3 ) (x + 134)

To summarize, since -3 and 134 multiply to -402 and add up 131, you know that the following is true:

x² + 131x - 402 = (x - 3 ) (x + 134)

Multiply To One Number and Add Up To Another
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