What two numbers multiply to 880 and add up to 91?




Here we answer the question: "What two numbers multiply to 880 and add up to 91?"

The answer to your question is:

11 and 80


Below we illustrate and prove that 11 and 80 multiply to 880 and add up to 91:

11 × 80 = 880
11 + 80 = 91

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

x2 + 91x + 880 = 0

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

(x + 11 ) (x + 80)

To summarize, since 11 and 80 multiply to 880 and add up 91, you know that the following is true:

x2 + 91x + 880 = (x + 11 ) (x + 80)


Multiply To One Number and Add Up To Another
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