Here we answer the question: "What two numbers multiply to -530 and add up to -43?"
The answer to your question is:
-53 and 10
Below we illustrate and prove that -53 and 10 multiply to -530 and add up to -43:
-53 × 10 = -530
-53 + 10 = -43
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 43x - 530 = 0
If so, the solution to factor the quadratic equation above is:
(x - 53 ) (x + 10)
To summarize, since -53 and 10 multiply to -530 and add up -43, you know that the following is true:
x2 - 43x - 530 = (x - 53 ) (x + 10)
Multiply To One Number and Add Up To Another
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