Here we answer the question: "What two numbers multiply to -330 and add up to -7?"
The answer to your question is:
-22 and 15
Below we illustrate and prove that -22 and 15 multiply to -330 and add up to -7:
-22 × 15 = -330
-22 + 15 = -7
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 7x - 330 = 0
If so, the solution to factor the quadratic equation above is:
(x - 22 ) (x + 15)
To summarize, since -22 and 15 multiply to -330 and add up -7, you know that the following is true:
x2 - 7x - 330 = (x - 22 ) (x + 15)
Multiply To One Number and Add Up To Another
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