Here we answer the question: "What two numbers multiply to 889 and add up to 890?"
The answer to your question is:
1 and 889
Below we illustrate and prove that 1 and 889 multiply to 889 and add up to 890:
1 × 889 = 889
1 + 889 = 890
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 890x + 889 = 0
If so, the solution to factor the quadratic equation above is:
(x + 1 ) (x + 889)
To summarize, since 1 and 889 multiply to 889 and add up 890, you know that the following is true:
x2 + 890x + 889 = (x + 1 ) (x + 889)
Multiply To One Number and Add Up To Another
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