Here we answer the question: "What two numbers multiply to -756 and add up to -40?"
The answer to your question is:
-54 and 14
Below we illustrate and prove that -54 and 14 multiply to -756 and add up to -40:
-54 × 14 = -756
-54 + 14 = -40
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 40x - 756 = 0
If so, the solution to factor the quadratic equation above is:
(x - 54 ) (x + 14)
To summarize, since -54 and 14 multiply to -756 and add up -40, you know that the following is true:
x2 - 40x - 756 = (x - 54 ) (x + 14)
Multiply To One Number and Add Up To Another
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