What two numbers multiply to -291 and add up to 290?

Here we answer the question: "What two numbers multiply to -291 and add up to 290?"

The answer to your question is:

-1 and 291

Below we illustrate and prove that -1 and 291 multiply to -291 and add up to 290:

-1 × 291 = -291
-1 + 291 = 290

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

x² + 290x - 291 = 0

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

(x - 1 ) (x + 291)

To summarize, since -1 and 291 multiply to -291 and add up 290, you know that the following is true:

x² + 290x - 291 = (x - 1 ) (x + 291)

Multiply To One Number and Add Up To Another
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