What two numbers multiply to -51 and add up to 50?




Here we answer the question: "What two numbers multiply to -51 and add up to 50?"

The answer to your question is:

-1 and 51


Below we illustrate and prove that -1 and 51 multiply to -51 and add up to 50:

-1 × 51 = -51
-1 + 51 = 50

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

x2 + 50x - 51 = 0

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

(x - 1 ) (x + 51)

To summarize, since -1 and 51 multiply to -51 and add up 50, you know that the following is true:

x2 + 50x - 51 = (x - 1 ) (x + 51)


Multiply To One Number and Add Up To Another
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