What two numbers multiply to -870 and add up to -43?




Here we answer the question: "What two numbers multiply to -870 and add up to -43?"

The answer to your question is:

-58 and 15


Below we illustrate and prove that -58 and 15 multiply to -870 and add up to -43:

-58 × 15 = -870
-58 + 15 = -43

Are you asking because you are trying to figure out how to factor the following quadratic equation?

x2 - 43x - 870 = 0

If so, the solution to factor the quadratic equation above is:

(x - 58 ) (x + 15)

To summarize, since -58 and 15 multiply to -870 and add up -43, you know that the following is true:

x2 - 43x - 870 = (x - 58 ) (x + 15)


Multiply To One Number and Add Up To Another
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