What two numbers multiply to 656 and add up to 90?




Here we answer the question: "What two numbers multiply to 656 and add up to 90?"

The answer to your question is:

8 and 82


Below we illustrate and prove that 8 and 82 multiply to 656 and add up to 90:

8 × 82 = 656
8 + 82 = 90

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

x2 + 90x + 656 = 0

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

(x + 8 ) (x + 82)

To summarize, since 8 and 82 multiply to 656 and add up 90, you know that the following is true:

x2 + 90x + 656 = (x + 8 ) (x + 82)


Multiply To One Number and Add Up To Another
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