Here we answer the question: "What two numbers multiply to -800 and add up to -7?"
The answer to your question is:
-32 and 25
Below we illustrate and prove that -32 and 25 multiply to -800 and add up to -7:
-32 × 25 = -800
-32 + 25 = -7
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 7x - 800 = 0
If so, the solution to factor the quadratic equation above is:
(x - 32 ) (x + 25)
To summarize, since -32 and 25 multiply to -800 and add up -7, you know that the following is true:
x2 - 7x - 800 = (x - 32 ) (x + 25)
Multiply To One Number and Add Up To Another
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