What two numbers multiply to -900 and add up to 45?




Here we answer the question: "What two numbers multiply to -900 and add up to 45?"

The answer to your question is:

-15 and 60


Below we illustrate and prove that -15 and 60 multiply to -900 and add up to 45:

-15 × 60 = -900
-15 + 60 = 45

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

x2 + 45x - 900 = 0

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

(x - 15 ) (x + 60)

To summarize, since -15 and 60 multiply to -900 and add up 45, you know that the following is true:

x2 + 45x - 900 = (x - 15 ) (x + 60)


Multiply To One Number and Add Up To Another
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