What two numbers multiply to 510 and add up to 91?

Here we answer the question: "What two numbers multiply to 510 and add up to 91?"

The answer to your question is:

6 and 85

Below we illustrate and prove that 6 and 85 multiply to 510 and add up to 91:

6 × 85 = 510
6 + 85 = 91

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

x² + 91x + 510 = 0

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

(x + 6 ) (x + 85)

To summarize, since 6 and 85 multiply to 510 and add up 91, you know that the following is true:

x² + 91x + 510 = (x + 6 ) (x + 85)

Multiply To One Number and Add Up To Another
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