What two numbers multiply to -636 and add up to -155?




Here we answer the question: "What two numbers multiply to -636 and add up to -155?"

The answer to your question is:

-159 and 4


Below we illustrate and prove that -159 and 4 multiply to -636 and add up to -155:

-159 × 4 = -636
-159 + 4 = -155

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

x2 - 155x - 636 = 0

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

(x - 159 ) (x + 4)

To summarize, since -159 and 4 multiply to -636 and add up -155, you know that the following is true:

x2 - 155x - 636 = (x - 159 ) (x + 4)


Multiply To One Number and Add Up To Another
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