What two numbers multiply to 320 and add up to -69?




Here we answer the question: "What two numbers multiply to 320 and add up to -69?"

The answer to your question is:

-64 and -5


Below we illustrate and prove that -64 and -5 multiply to 320 and add up to -69:

-64 × -5 = 320
-64 + -5 = -69

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

x2 - 69x + 320 = 0

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

(x - 64 ) (x - 5)

To summarize, since -64 and -5 multiply to 320 and add up -69, you know that the following is true:

x2 - 69x + 320 = (x - 64 ) (x - 5)


Multiply To One Number and Add Up To Another
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