Here we answer the question: "What two numbers multiply to -588 and add up to 7?"
The answer to your question is:
-21 and 28
Below we illustrate and prove that -21 and 28 multiply to -588 and add up to 7:
-21 × 28 = -588
-21 + 28 = 7
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 7x - 588 = 0
If so, the solution to factor the quadratic equation above is:
(x - 21 ) (x + 28)
To summarize, since -21 and 28 multiply to -588 and add up 7, you know that the following is true:
x2 + 7x - 588 = (x - 21 ) (x + 28)
Multiply To One Number and Add Up To Another
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