Here we answer the question: "What two numbers multiply to 50 and add up to -15?"
The answer to your question is:
-10 and -5
Below we illustrate and prove that -10 and -5 multiply to 50 and add up to -15:
-10 × -5 = 50
-10 + -5 = -15
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 15x + 50 = 0
If so, the solution to factor the quadratic equation above is:
(x - 10 ) (x - 5)
To summarize, since -10 and -5 multiply to 50 and add up -15, you know that the following is true:
x2 - 15x + 50 = (x - 10 ) (x - 5)
Multiply To One Number and Add Up To Another
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