Here we answer the question: "What two numbers multiply to -896 and add up to -220?"
The answer to your question is:
-224 and 4
Below we illustrate and prove that -224 and 4 multiply to -896 and add up to -220:
-224 × 4 = -896
-224 + 4 = -220
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 220x - 896 = 0
If so, the solution to factor the quadratic equation above is:
(x - 224 ) (x + 4)
To summarize, since -224 and 4 multiply to -896 and add up -220, you know that the following is true:
x2 - 220x - 896 = (x - 224 ) (x + 4)
Multiply To One Number and Add Up To Another
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