What two numbers multiply to 209 and add up to 210?




Here we answer the question: "What two numbers multiply to 209 and add up to 210?"

The answer to your question is:

1 and 209


Below we illustrate and prove that 1 and 209 multiply to 209 and add up to 210:

1 × 209 = 209
1 + 209 = 210

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

x2 + 210x + 209 = 0

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

(x + 1 ) (x + 209)

To summarize, since 1 and 209 multiply to 209 and add up 210, you know that the following is true:

x2 + 210x + 209 = (x + 1 ) (x + 209)


Multiply To One Number and Add Up To Another
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