What two numbers multiply to 648 and add up to 51?




Here we answer the question: "What two numbers multiply to 648 and add up to 51?"

The answer to your question is:

24 and 27


Below we illustrate and prove that 24 and 27 multiply to 648 and add up to 51:

24 × 27 = 648
24 + 27 = 51

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

x2 + 51x + 648 = 0

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

(x + 24 ) (x + 27)

To summarize, since 24 and 27 multiply to 648 and add up 51, you know that the following is true:

x2 + 51x + 648 = (x + 24 ) (x + 27)


Multiply To One Number and Add Up To Another
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