Here we answer the question: "What two numbers multiply to -775 and add up to 150?"
The answer to your question is:
-5 and 155
Below we illustrate and prove that -5 and 155 multiply to -775 and add up to 150:
-5 × 155 = -775
-5 + 155 = 150
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 150x - 775 = 0
If so, the solution to factor the quadratic equation above is:
(x - 5 ) (x + 155)
To summarize, since -5 and 155 multiply to -775 and add up 150, you know that the following is true:
x2 + 150x - 775 = (x - 5 ) (x + 155)
Multiply To One Number and Add Up To Another
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