Here we answer the question: "What two numbers multiply to 570 and add up to -287?"
The answer to your question is:
-285 and -2
Below we illustrate and prove that -285 and -2 multiply to 570 and add up to -287:
-285 × -2 = 570
-285 + -2 = -287
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 287x + 570 = 0
If so, the solution to factor the quadratic equation above is:
(x - 285 ) (x - 2)
To summarize, since -285 and -2 multiply to 570 and add up -287, you know that the following is true:
x2 - 287x + 570 = (x - 285 ) (x - 2)
Multiply To One Number and Add Up To Another
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