What two numbers multiply to 702 and add up to 87?

Here we answer the question: "What two numbers multiply to 702 and add up to 87?"

The answer to your question is:

9 and 78

Below we illustrate and prove that 9 and 78 multiply to 702 and add up to 87:

9 × 78 = 702
9 + 78 = 87

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

x² + 87x + 702 = 0

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

(x + 9 ) (x + 78)

To summarize, since 9 and 78 multiply to 702 and add up 87, you know that the following is true:

x² + 87x + 702 = (x + 9 ) (x + 78)

Multiply To One Number and Add Up To Another
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