What two numbers multiply to 628 and add up to 161?

Here we answer the question: "What two numbers multiply to 628 and add up to 161?"

The answer to your question is:

4 and 157

Below we illustrate and prove that 4 and 157 multiply to 628 and add up to 161:

4 × 157 = 628
4 + 157 = 161

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

x² + 161x + 628 = 0

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

(x + 4 ) (x + 157)

To summarize, since 4 and 157 multiply to 628 and add up 161, you know that the following is true:

x² + 161x + 628 = (x + 4 ) (x + 157)

Multiply To One Number and Add Up To Another
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