Here we answer the question: "What two numbers multiply to 166 and add up to -85?"
The answer to your question is:
-83 and -2
Below we illustrate and prove that -83 and -2 multiply to 166 and add up to -85:
-83 × -2 = 166
-83 + -2 = -85
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 85x + 166 = 0
If so, the solution to factor the quadratic equation above is:
(x - 83 ) (x - 2)
To summarize, since -83 and -2 multiply to 166 and add up -85, you know that the following is true:
x2 - 85x + 166 = (x - 83 ) (x - 2)
Multiply To One Number and Add Up To Another
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