What two numbers multiply to 156 and add up to 80?

Here we answer the question: "What two numbers multiply to 156 and add up to 80?"

The answer to your question is:

2 and 78

Below we illustrate and prove that 2 and 78 multiply to 156 and add up to 80:

2 × 78 = 156
2 + 78 = 80

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

x² + 80x + 156 = 0

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

(x + 2 ) (x + 78)

To summarize, since 2 and 78 multiply to 156 and add up 80, you know that the following is true:

x² + 80x + 156 = (x + 2 ) (x + 78)

Multiply To One Number and Add Up To Another
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