What two numbers multiply to -900 and add up to 0?




Here we answer the question: "What two numbers multiply to -900 and add up to 0?"

The answer to your question is:

-30 and 30


Below we illustrate and prove that -30 and 30 multiply to -900 and add up to 0:

-30 × 30 = -900
-30 + 30 = 0

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

x2 + 0x - 900 = 0

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

(x - 30 ) (x + 30)

To summarize, since -30 and 30 multiply to -900 and add up 0, you know that the following is true:

x2 + 0x - 900 = (x - 30 ) (x + 30)


Multiply To One Number and Add Up To Another
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