What two numbers multiply to 960 and add up to 128?

Here we answer the question: "What two numbers multiply to 960 and add up to 128?"

The answer to your question is:

8 and 120

Below we illustrate and prove that 8 and 120 multiply to 960 and add up to 128:

8 × 120 = 960
8 + 120 = 128

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

x² + 128x + 960 = 0

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

(x + 8 ) (x + 120)

To summarize, since 8 and 120 multiply to 960 and add up 128, you know that the following is true:

x² + 128x + 960 = (x + 8 ) (x + 120)

Multiply To One Number and Add Up To Another
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