What two numbers multiply to 117 and add up to 42?

Here we answer the question: "What two numbers multiply to 117 and add up to 42?"

The answer to your question is:

3 and 39

Below we illustrate and prove that 3 and 39 multiply to 117 and add up to 42:

3 × 39 = 117
3 + 39 = 42

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

x² + 42x + 117 = 0

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

(x + 3 ) (x + 39)

To summarize, since 3 and 39 multiply to 117 and add up 42, you know that the following is true:

x² + 42x + 117 = (x + 3 ) (x + 39)

Multiply To One Number and Add Up To Another
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