Here we answer the question: "What two numbers multiply to -161 and add up to -16?"

The answer to your question is:

**-23 and 7**

Below we illustrate and prove that -23 and 7 multiply to -161 and add up to -16:

-23 × 7 = -161

-23 + 7 = -16

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

x

^{2}- 16x - 161 = 0

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

(x - 23 ) (x + 7)

To summarize, since -23 and 7 multiply to -161 and add up -16, you know that the following is true:

x

^{2}- 16x - 161 = (x - 23 ) (x + 7)

Multiply To One Number and Add Up To Another

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