Here we answer the question: "What two numbers multiply to 430 and add up to -217?"
The answer to your question is:
-215 and -2
Below we illustrate and prove that -215 and -2 multiply to 430 and add up to -217:
-215 × -2 = 430
-215 + -2 = -217
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 217x + 430 = 0
If so, the solution to factor the quadratic equation above is:
(x - 215 ) (x - 2)
To summarize, since -215 and -2 multiply to 430 and add up -217, you know that the following is true:
x2 - 217x + 430 = (x - 215 ) (x - 2)
Multiply To One Number and Add Up To Another
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