What two numbers multiply to 120 and add up to 121?

Here we answer the question: "What two numbers multiply to 120 and add up to 121?"

The answer to your question is:

1 and 120

Below we illustrate and prove that 1 and 120 multiply to 120 and add up to 121:

1 × 120 = 120
1 + 120 = 121

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

x² + 121x + 120 = 0

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

(x + 1 ) (x + 120)

To summarize, since 1 and 120 multiply to 120 and add up 121, you know that the following is true:

x² + 121x + 120 = (x + 1 ) (x + 120)

Multiply To One Number and Add Up To Another
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