What two numbers multiply to -804 and add up to 128?

Here we answer the question: "What two numbers multiply to -804 and add up to 128?"

The answer to your question is:

-6 and 134

Below we illustrate and prove that -6 and 134 multiply to -804 and add up to 128:

-6 × 134 = -804
-6 + 134 = 128

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

x² + 128x - 804 = 0

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

(x - 6 ) (x + 134)

To summarize, since -6 and 134 multiply to -804 and add up 128, you know that the following is true:

x² + 128x - 804 = (x - 6 ) (x + 134)

Multiply To One Number and Add Up To Another
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