What two numbers multiply to -86 and add up to -85?




Here we answer the question: "What two numbers multiply to -86 and add up to -85?"

The answer to your question is:

-86 and 1


Below we illustrate and prove that -86 and 1 multiply to -86 and add up to -85:

-86 × 1 = -86
-86 + 1 = -85

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

x2 - 85x - 86 = 0

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

(x - 86 ) (x + 1)

To summarize, since -86 and 1 multiply to -86 and add up -85, you know that the following is true:

x2 - 85x - 86 = (x - 86 ) (x + 1)


Multiply To One Number and Add Up To Another
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