What two numbers multiply to 987 and add up to 68?

Here we answer the question: "What two numbers multiply to 987 and add up to 68?"

The answer to your question is:

21 and 47

Below we illustrate and prove that 21 and 47 multiply to 987 and add up to 68:

21 × 47 = 987
21 + 47 = 68

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

x² + 68x + 987 = 0

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

(x + 21 ) (x + 47)

To summarize, since 21 and 47 multiply to 987 and add up 68, you know that the following is true:

x² + 68x + 987 = (x + 21 ) (x + 47)

Multiply To One Number and Add Up To Another
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