What two numbers multiply to -670 and add up to 57?

Here we answer the question: "What two numbers multiply to -670 and add up to 57?"

The answer to your question is:

-10 and 67

Below we illustrate and prove that -10 and 67 multiply to -670 and add up to 57:

-10 × 67 = -670
-10 + 67 = 57

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

x² + 57x - 670 = 0

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

(x - 10 ) (x + 67)

To summarize, since -10 and 67 multiply to -670 and add up 57, you know that the following is true:

x² + 57x - 670 = (x - 10 ) (x + 67)

Multiply To One Number and Add Up To Another
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