What two numbers multiply to 320 and add up to -42?




Here we answer the question: "What two numbers multiply to 320 and add up to -42?"

The answer to your question is:

-32 and -10


Below we illustrate and prove that -32 and -10 multiply to 320 and add up to -42:

-32 × -10 = 320
-32 + -10 = -42

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

x2 - 42x + 320 = 0

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

(x - 32 ) (x - 10)

To summarize, since -32 and -10 multiply to 320 and add up -42, you know that the following is true:

x2 - 42x + 320 = (x - 32 ) (x - 10)


Multiply To One Number and Add Up To Another
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