Here we answer the question: "What two numbers multiply to 340 and add up to -89?"
The answer to your question is:
-85 and -4
Below we illustrate and prove that -85 and -4 multiply to 340 and add up to -89:
-85 × -4 = 340
-85 + -4 = -89
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 89x + 340 = 0
If so, the solution to factor the quadratic equation above is:
(x - 85 ) (x - 4)
To summarize, since -85 and -4 multiply to 340 and add up -89, you know that the following is true:
x2 - 89x + 340 = (x - 85 ) (x - 4)
Multiply To One Number and Add Up To Another
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