What two numbers multiply to 645 and add up to 218?




Here we answer the question: "What two numbers multiply to 645 and add up to 218?"

The answer to your question is:

3 and 215


Below we illustrate and prove that 3 and 215 multiply to 645 and add up to 218:

3 × 215 = 645
3 + 215 = 218

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

x2 + 218x + 645 = 0

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

(x + 3 ) (x + 215)

To summarize, since 3 and 215 multiply to 645 and add up 218, you know that the following is true:

x2 + 218x + 645 = (x + 3 ) (x + 215)


Multiply To One Number and Add Up To Another
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