What two numbers multiply to 55 and add up to 16?




Here we answer the question: "What two numbers multiply to 55 and add up to 16?"

The answer to your question is:

5 and 11


Below we illustrate and prove that 5 and 11 multiply to 55 and add up to 16:

5 × 11 = 55
5 + 11 = 16

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

x2 + 16x + 55 = 0

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

(x + 5 ) (x + 11)

To summarize, since 5 and 11 multiply to 55 and add up 16, you know that the following is true:

x2 + 16x + 55 = (x + 5 ) (x + 11)


Multiply To One Number and Add Up To Another
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