What two numbers multiply to 64 and add up to -65?




Here we answer the question: "What two numbers multiply to 64 and add up to -65?"

The answer to your question is:

-64 and -1


Below we illustrate and prove that -64 and -1 multiply to 64 and add up to -65:

-64 × -1 = 64
-64 + -1 = -65

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

x2 - 65x + 64 = 0

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

(x - 64 ) (x - 1)

To summarize, since -64 and -1 multiply to 64 and add up -65, you know that the following is true:

x2 - 65x + 64 = (x - 64 ) (x - 1)


Multiply To One Number and Add Up To Another
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