What two numbers multiply to -978 and add up to 157?

Here we answer the question: "What two numbers multiply to -978 and add up to 157?"

The answer to your question is:

-6 and 163

Below we illustrate and prove that -6 and 163 multiply to -978 and add up to 157:

-6 × 163 = -978
-6 + 163 = 157

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

x² + 157x - 978 = 0

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

(x - 6 ) (x + 163)

To summarize, since -6 and 163 multiply to -978 and add up 157, you know that the following is true:

x² + 157x - 978 = (x - 6 ) (x + 163)

Multiply To One Number and Add Up To Another
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