Here we answer the question: "What two numbers multiply to 546 and add up to -85?"
The answer to your question is:
-78 and -7
Below we illustrate and prove that -78 and -7 multiply to 546 and add up to -85:
-78 × -7 = 546
-78 + -7 = -85
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 85x + 546 = 0
If so, the solution to factor the quadratic equation above is:
(x - 78 ) (x - 7)
To summarize, since -78 and -7 multiply to 546 and add up -85, you know that the following is true:
x2 - 85x + 546 = (x - 78 ) (x - 7)
Multiply To One Number and Add Up To Another
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