What two numbers multiply to 42 and add up to 17?

Here we answer the question: "What two numbers multiply to 42 and add up to 17?"

The answer to your question is:

3 and 14

Below we illustrate and prove that 3 and 14 multiply to 42 and add up to 17:

3 × 14 = 42
3 + 14 = 17

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

x² + 17x + 42 = 0

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

(x + 3 ) (x + 14)

To summarize, since 3 and 14 multiply to 42 and add up 17, you know that the following is true:

x² + 17x + 42 = (x + 3 ) (x + 14)

Multiply To One Number and Add Up To Another
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