What two numbers multiply to 40 and add up to 14?

Here we answer the question: "What two numbers multiply to 40 and add up to 14?"

The answer to your question is:

4 and 10

Below we illustrate and prove that 4 and 10 multiply to 40 and add up to 14:

4 × 10 = 40
4 + 10 = 14

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

x² + 14x + 40 = 0

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

(x + 4 ) (x + 10)

To summarize, since 4 and 10 multiply to 40 and add up 14, you know that the following is true:

x² + 14x + 40 = (x + 4 ) (x + 10)

Multiply To One Number and Add Up To Another
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