Here we answer the question: "What two numbers multiply to 980 and add up to 69?"
The answer to your question is:
20 and 49
Below we illustrate and prove that 20 and 49 multiply to 980 and add up to 69:
20 × 49 = 980
20 + 49 = 69
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 69x + 980 = 0
If so, the solution to factor the quadratic equation above is:
(x + 20 ) (x + 49)
To summarize, since 20 and 49 multiply to 980 and add up 69, you know that the following is true:
x2 + 69x + 980 = (x + 20 ) (x + 49)
Multiply To One Number and Add Up To Another
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