What two numbers multiply to 663 and add up to 664?

Here we answer the question: "What two numbers multiply to 663 and add up to 664?"

The answer to your question is:

1 and 663

Below we illustrate and prove that 1 and 663 multiply to 663 and add up to 664:

1 × 663 = 663
1 + 663 = 664

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

x² + 664x + 663 = 0

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

(x + 1 ) (x + 663)

To summarize, since 1 and 663 multiply to 663 and add up 664, you know that the following is true:

x² + 664x + 663 = (x + 1 ) (x + 663)

Multiply To One Number and Add Up To Another
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