Here we answer the question: "What two numbers multiply to 870 and add up to -59?"
The answer to your question is:
-30 and -29
Below we illustrate and prove that -30 and -29 multiply to 870 and add up to -59:
-30 × -29 = 870
-30 + -29 = -59
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 59x + 870 = 0
If so, the solution to factor the quadratic equation above is:
(x - 30 ) (x - 29)
To summarize, since -30 and -29 multiply to 870 and add up -59, you know that the following is true:
x2 - 59x + 870 = (x - 30 ) (x - 29)
Multiply To One Number and Add Up To Another
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