Here we answer the question: "What two numbers multiply to 624 and add up to -61?"
The answer to your question is:
-48 and -13
Below we illustrate and prove that -48 and -13 multiply to 624 and add up to -61:
-48 × -13 = 624
-48 + -13 = -61
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 61x + 624 = 0
If so, the solution to factor the quadratic equation above is:
(x - 48 ) (x - 13)
To summarize, since -48 and -13 multiply to 624 and add up -61, you know that the following is true:
x2 - 61x + 624 = (x - 48 ) (x - 13)
Multiply To One Number and Add Up To Another
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