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:

10 and 32

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

10 × 32 = 320
10 + 32 = 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 + 10 ) (x + 32)

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

x² + 42x + 320 = (x + 10 ) (x + 32)

Multiply To One Number and Add Up To Another
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