What two numbers multiply to 816 and add up to 65?

Here we answer the question: "What two numbers multiply to 816 and add up to 65?"

The answer to your question is:

17 and 48

Below we illustrate and prove that 17 and 48 multiply to 816 and add up to 65:

17 × 48 = 816
17 + 48 = 65

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

x² + 65x + 816 = 0

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

(x + 17 ) (x + 48)

To summarize, since 17 and 48 multiply to 816 and add up 65, you know that the following is true:

x² + 65x + 816 = (x + 17 ) (x + 48)

Multiply To One Number and Add Up To Another
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