Here we answer the question: "What two numbers multiply to -668 and add up to -163?"
The answer to your question is:
-167 and 4
Below we illustrate and prove that -167 and 4 multiply to -668 and add up to -163:
-167 × 4 = -668
-167 + 4 = -163
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 163x - 668 = 0
If so, the solution to factor the quadratic equation above is:
(x - 167 ) (x + 4)
To summarize, since -167 and 4 multiply to -668 and add up -163, you know that the following is true:
x2 - 163x - 668 = (x - 167 ) (x + 4)
Multiply To One Number and Add Up To Another
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