What two numbers multiply to 156 and add up to -80?




Here we answer the question: "What two numbers multiply to 156 and add up to -80?"

The answer to your question is:

-78 and -2


Below we illustrate and prove that -78 and -2 multiply to 156 and add up to -80:

-78 × -2 = 156
-78 + -2 = -80

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

x2 - 80x + 156 = 0

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

(x - 78 ) (x - 2)

To summarize, since -78 and -2 multiply to 156 and add up -80, you know that the following is true:

x2 - 80x + 156 = (x - 78 ) (x - 2)


Multiply To One Number and Add Up To Another
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