What two numbers multiply to -672 and add up to 89?




Here we answer the question: "What two numbers multiply to -672 and add up to 89?"

The answer to your question is:

-7 and 96


Below we illustrate and prove that -7 and 96 multiply to -672 and add up to 89:

-7 × 96 = -672
-7 + 96 = 89

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

x2 + 89x - 672 = 0

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

(x - 7 ) (x + 96)

To summarize, since -7 and 96 multiply to -672 and add up 89, you know that the following is true:

x2 + 89x - 672 = (x - 7 ) (x + 96)


Multiply To One Number and Add Up To Another
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