What two numbers multiply to 680 and add up to 342?

Here we answer the question: "What two numbers multiply to 680 and add up to 342?"

The answer to your question is:

2 and 340

Below we illustrate and prove that 2 and 340 multiply to 680 and add up to 342:

2 × 340 = 680
2 + 340 = 342

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

x² + 342x + 680 = 0

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

(x + 2 ) (x + 340)

To summarize, since 2 and 340 multiply to 680 and add up 342, you know that the following is true:

x² + 342x + 680 = (x + 2 ) (x + 340)

Multiply To One Number and Add Up To Another
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