Here we answer the question: "What two numbers multiply to 380 and add up to 39?"
The answer to your question is:
19 and 20
Below we illustrate and prove that 19 and 20 multiply to 380 and add up to 39:
19 × 20 = 380
19 + 20 = 39
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 39x + 380 = 0
If so, the solution to factor the quadratic equation above is:
(x + 19 ) (x + 20)
To summarize, since 19 and 20 multiply to 380 and add up 39, you know that the following is true:
x2 + 39x + 380 = (x + 19 ) (x + 20)
Multiply To One Number and Add Up To Another
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