What two numbers multiply to 56 and add up to -30?




Here we answer the question: "What two numbers multiply to 56 and add up to -30?"

The answer to your question is:

-28 and -2


Below we illustrate and prove that -28 and -2 multiply to 56 and add up to -30:

-28 × -2 = 56
-28 + -2 = -30

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

x2 - 30x + 56 = 0

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

(x - 28 ) (x - 2)

To summarize, since -28 and -2 multiply to 56 and add up -30, you know that the following is true:

x2 - 30x + 56 = (x - 28 ) (x - 2)


Multiply To One Number and Add Up To Another
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