Here we answer the question: "What two numbers multiply to -60 and add up to -4?"
The answer to your question is:
-10 and 6
Below we illustrate and prove that -10 and 6 multiply to -60 and add up to -4:
-10 × 6 = -60
-10 + 6 = -4
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 4x - 60 = 0
If so, the solution to factor the quadratic equation above is:
(x - 10 ) (x + 6)
To summarize, since -10 and 6 multiply to -60 and add up -4, you know that the following is true:
x2 - 4x - 60 = (x - 10 ) (x + 6)
Multiply To One Number and Add Up To Another
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