Here we answer the question: "What two numbers multiply to -162 and add up to -79?"
The answer to your question is:
-81 and 2
Below we illustrate and prove that -81 and 2 multiply to -162 and add up to -79:
-81 × 2 = -162
-81 + 2 = -79
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 79x - 162 = 0
If so, the solution to factor the quadratic equation above is:
(x - 81 ) (x + 2)
To summarize, since -81 and 2 multiply to -162 and add up -79, you know that the following is true:
x2 - 79x - 162 = (x - 81 ) (x + 2)
Multiply To One Number and Add Up To Another
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