What two numbers multiply to -36 and add up to -5?




Here we answer the question: "What two numbers multiply to -36 and add up to -5?"

The answer to your question is:

-9 and 4


Below we illustrate and prove that -9 and 4 multiply to -36 and add up to -5:

-9 × 4 = -36
-9 + 4 = -5

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

x2 - 5x - 36 = 0

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

(x - 9 ) (x + 4)

To summarize, since -9 and 4 multiply to -36 and add up -5, you know that the following is true:

x2 - 5x - 36 = (x - 9 ) (x + 4)


Multiply To One Number and Add Up To Another
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