Here we answer the question: "What two numbers multiply to 677 and add up to 678?"
The answer to your question is:
1 and 677
Below we illustrate and prove that 1 and 677 multiply to 677 and add up to 678:
1 × 677 = 677
1 + 677 = 678
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 678x + 677 = 0
If so, the solution to factor the quadratic equation above is:
(x + 1 ) (x + 677)
To summarize, since 1 and 677 multiply to 677 and add up 678, you know that the following is true:
x2 + 678x + 677 = (x + 1 ) (x + 677)
Multiply To One Number and Add Up To Another
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