Here we answer the question: "What two numbers multiply to -720 and add up to 358?"
The answer to your question is:
-2 and 360
Below we illustrate and prove that -2 and 360 multiply to -720 and add up to 358:
-2 × 360 = -720
-2 + 360 = 358
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 358x - 720 = 0
If so, the solution to factor the quadratic equation above is:
(x - 2 ) (x + 360)
To summarize, since -2 and 360 multiply to -720 and add up 358, you know that the following is true:
x2 + 358x - 720 = (x - 2 ) (x + 360)
Multiply To One Number and Add Up To Another
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