What two numbers multiply to 660 and add up to -169?




Here we answer the question: "What two numbers multiply to 660 and add up to -169?"

The answer to your question is:

-165 and -4


Below we illustrate and prove that -165 and -4 multiply to 660 and add up to -169:

-165 × -4 = 660
-165 + -4 = -169

Are you asking because you are trying to figure out how to factor the following quadratic equation?

x2 - 169x + 660 = 0

If so, the solution to factor the quadratic equation above is:

(x - 165 ) (x - 4)

To summarize, since -165 and -4 multiply to 660 and add up -169, you know that the following is true:

x2 - 169x + 660 = (x - 165 ) (x - 4)


Multiply To One Number and Add Up To Another
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