What two numbers multiply to 581 and add up to 90?

Here we answer the question: "What two numbers multiply to 581 and add up to 90?"

The answer to your question is:

7 and 83

Below we illustrate and prove that 7 and 83 multiply to 581 and add up to 90:

7 × 83 = 581
7 + 83 = 90

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

x² + 90x + 581 = 0

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

(x + 7 ) (x + 83)

To summarize, since 7 and 83 multiply to 581 and add up 90, you know that the following is true:

x² + 90x + 581 = (x + 7 ) (x + 83)

Multiply To One Number and Add Up To Another
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