What two numbers multiply to 728 and add up to 99?




Here we answer the question: "What two numbers multiply to 728 and add up to 99?"

The answer to your question is:

8 and 91


Below we illustrate and prove that 8 and 91 multiply to 728 and add up to 99:

8 × 91 = 728
8 + 91 = 99

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

x2 + 99x + 728 = 0

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

(x + 8 ) (x + 91)

To summarize, since 8 and 91 multiply to 728 and add up 99, you know that the following is true:

x2 + 99x + 728 = (x + 8 ) (x + 91)


Multiply To One Number and Add Up To Another
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