Here we answer the question: "What two numbers multiply to 720 and add up to 82?"
The answer to your question is:
10 and 72
Below we illustrate and prove that 10 and 72 multiply to 720 and add up to 82:
10 × 72 = 720
10 + 72 = 82
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 82x + 720 = 0
If so, the solution to factor the quadratic equation above is:
(x + 10 ) (x + 72)
To summarize, since 10 and 72 multiply to 720 and add up 82, you know that the following is true:
x2 + 82x + 720 = (x + 10 ) (x + 72)
Multiply To One Number and Add Up To Another
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