What two numbers multiply to 660 and add up to 76?

Here we answer the question: "What two numbers multiply to 660 and add up to 76?"

The answer to your question is:

10 and 66

Below we illustrate and prove that 10 and 66 multiply to 660 and add up to 76:

10 × 66 = 660
10 + 66 = 76

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

x² + 76x + 660 = 0

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

(x + 10 ) (x + 66)

To summarize, since 10 and 66 multiply to 660 and add up 76, you know that the following is true:

x² + 76x + 660 = (x + 10 ) (x + 66)

Multiply To One Number and Add Up To Another
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