What two numbers multiply to 990 and add up to 73?

Here we answer the question: "What two numbers multiply to 990 and add up to 73?"

The answer to your question is:

18 and 55

Below we illustrate and prove that 18 and 55 multiply to 990 and add up to 73:

18 × 55 = 990
18 + 55 = 73

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

x² + 73x + 990 = 0

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

(x + 18 ) (x + 55)

To summarize, since 18 and 55 multiply to 990 and add up 73, you know that the following is true:

x² + 73x + 990 = (x + 18 ) (x + 55)

Multiply To One Number and Add Up To Another
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