What two numbers multiply to 324 and add up to 45?

Here we answer the question: "What two numbers multiply to 324 and add up to 45?"

The answer to your question is:

9 and 36

Below we illustrate and prove that 9 and 36 multiply to 324 and add up to 45:

9 × 36 = 324
9 + 36 = 45

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

x² + 45x + 324 = 0

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

(x + 9 ) (x + 36)

To summarize, since 9 and 36 multiply to 324 and add up 45, you know that the following is true:

x² + 45x + 324 = (x + 9 ) (x + 36)

Multiply To One Number and Add Up To Another
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