Here we answer the question: "What two numbers multiply to 660 and add up to -52?"
The answer to your question is:
-30 and -22
Below we illustrate and prove that -30 and -22 multiply to 660 and add up to -52:
-30 × -22 = 660
-30 + -22 = -52
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 52x + 660 = 0
If so, the solution to factor the quadratic equation above is:
(x - 30 ) (x - 22)
To summarize, since -30 and -22 multiply to 660 and add up -52, you know that the following is true:
x2 - 52x + 660 = (x - 30 ) (x - 22)
Multiply To One Number and Add Up To Another
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