Here we answer the question: "What two numbers multiply to -210 and add up to -67?"
The answer to your question is:
-70 and 3
Below we illustrate and prove that -70 and 3 multiply to -210 and add up to -67:
-70 × 3 = -210
-70 + 3 = -67
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 67x - 210 = 0
If so, the solution to factor the quadratic equation above is:
(x - 70 ) (x + 3)
To summarize, since -70 and 3 multiply to -210 and add up -67, you know that the following is true:
x2 - 67x - 210 = (x - 70 ) (x + 3)
Multiply To One Number and Add Up To Another
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