Here we answer the question: "What two numbers multiply to -749 and add up to 100?"
The answer to your question is:
-7 and 107
Below we illustrate and prove that -7 and 107 multiply to -749 and add up to 100:
-7 × 107 = -749
-7 + 107 = 100
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 100x - 749 = 0
If so, the solution to factor the quadratic equation above is:
(x - 7 ) (x + 107)
To summarize, since -7 and 107 multiply to -749 and add up 100, you know that the following is true:
x2 + 100x - 749 = (x - 7 ) (x + 107)
Multiply To One Number and Add Up To Another
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