Here we answer the question: "What two numbers multiply to -630 and add up to -17?"
The answer to your question is:
-35 and 18
Below we illustrate and prove that -35 and 18 multiply to -630 and add up to -17:
-35 × 18 = -630
-35 + 18 = -17
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 17x - 630 = 0
If so, the solution to factor the quadratic equation above is:
(x - 35 ) (x + 18)
To summarize, since -35 and 18 multiply to -630 and add up -17, you know that the following is true:
x2 - 17x - 630 = (x - 35 ) (x + 18)
Multiply To One Number and Add Up To Another
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