Here we answer the question: "What two numbers multiply to -174 and add up to 85?"
The answer to your question is:
-2 and 87
Below we illustrate and prove that -2 and 87 multiply to -174 and add up to 85:
-2 × 87 = -174
-2 + 87 = 85
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 85x - 174 = 0
If so, the solution to factor the quadratic equation above is:
(x - 2 ) (x + 87)
To summarize, since -2 and 87 multiply to -174 and add up 85, you know that the following is true:
x2 + 85x - 174 = (x - 2 ) (x + 87)
Multiply To One Number and Add Up To Another
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