What two numbers multiply to 660 and add up to 169?

Here we answer the question: "What two numbers multiply to 660 and add up to 169?"

The answer to your question is:

4 and 165

Below we illustrate and prove that 4 and 165 multiply to 660 and add up to 169:

4 × 165 = 660
4 + 165 = 169

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

x² + 169x + 660 = 0

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

(x + 4 ) (x + 165)

To summarize, since 4 and 165 multiply to 660 and add up 169, you know that the following is true:

x² + 169x + 660 = (x + 4 ) (x + 165)

Multiply To One Number and Add Up To Another
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