What two numbers multiply to 18 and add up to 19?




Here we answer the question: "What two numbers multiply to 18 and add up to 19?"

The answer to your question is:

1 and 18


Below we illustrate and prove that 1 and 18 multiply to 18 and add up to 19:

1 × 18 = 18
1 + 18 = 19

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

x2 + 19x + 18 = 0

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

(x + 1 ) (x + 18)

To summarize, since 1 and 18 multiply to 18 and add up 19, you know that the following is true:

x2 + 19x + 18 = (x + 1 ) (x + 18)


Multiply To One Number and Add Up To Another
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