Here we answer the question: "What two numbers multiply to 387 and add up to -132?"
The answer to your question is:
-129 and -3
Below we illustrate and prove that -129 and -3 multiply to 387 and add up to -132:
-129 × -3 = 387
-129 + -3 = -132
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 132x + 387 = 0
If so, the solution to factor the quadratic equation above is:
(x - 129 ) (x - 3)
To summarize, since -129 and -3 multiply to 387 and add up -132, you know that the following is true:
x2 - 132x + 387 = (x - 129 ) (x - 3)
Multiply To One Number and Add Up To Another
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