What two numbers multiply to -711 and add up to 70?




Here we answer the question: "What two numbers multiply to -711 and add up to 70?"

The answer to your question is:

-9 and 79


Below we illustrate and prove that -9 and 79 multiply to -711 and add up to 70:

-9 × 79 = -711
-9 + 79 = 70

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

x2 + 70x - 711 = 0

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

(x - 9 ) (x + 79)

To summarize, since -9 and 79 multiply to -711 and add up 70, you know that the following is true:

x2 + 70x - 711 = (x - 9 ) (x + 79)


Multiply To One Number and Add Up To Another
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