What two numbers multiply to 702 and add up to -87?




Here we answer the question: "What two numbers multiply to 702 and add up to -87?"

The answer to your question is:

-78 and -9


Below we illustrate and prove that -78 and -9 multiply to 702 and add up to -87:

-78 × -9 = 702
-78 + -9 = -87

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

x2 - 87x + 702 = 0

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

(x - 78 ) (x - 9)

To summarize, since -78 and -9 multiply to 702 and add up -87, you know that the following is true:

x2 - 87x + 702 = (x - 78 ) (x - 9)


Multiply To One Number and Add Up To Another
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