What two numbers multiply to 816 and add up to 208?

Here we answer the question: "What two numbers multiply to 816 and add up to 208?"

The answer to your question is:

4 and 204

Below we illustrate and prove that 4 and 204 multiply to 816 and add up to 208:

4 × 204 = 816
4 + 204 = 208

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

x² + 208x + 816 = 0

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

(x + 4 ) (x + 204)

To summarize, since 4 and 204 multiply to 816 and add up 208, you know that the following is true:

x² + 208x + 816 = (x + 4 ) (x + 204)

Multiply To One Number and Add Up To Another
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