What two numbers multiply to -864 and add up to 30?




Here we answer the question: "What two numbers multiply to -864 and add up to 30?"

The answer to your question is:

-18 and 48


Below we illustrate and prove that -18 and 48 multiply to -864 and add up to 30:

-18 × 48 = -864
-18 + 48 = 30

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

x2 + 30x - 864 = 0

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

(x - 18 ) (x + 48)

To summarize, since -18 and 48 multiply to -864 and add up 30, you know that the following is true:

x2 + 30x - 864 = (x - 18 ) (x + 48)


Multiply To One Number and Add Up To Another
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