What two numbers multiply to 77 and add up to 78?




Here we answer the question: "What two numbers multiply to 77 and add up to 78?"

The answer to your question is:

1 and 77


Below we illustrate and prove that 1 and 77 multiply to 77 and add up to 78:

1 × 77 = 77
1 + 77 = 78

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

x2 + 78x + 77 = 0

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

(x + 1 ) (x + 77)

To summarize, since 1 and 77 multiply to 77 and add up 78, you know that the following is true:

x2 + 78x + 77 = (x + 1 ) (x + 77)


Multiply To One Number and Add Up To Another
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