Here we answer the question: "What two numbers multiply to 180 and add up to 28?"
The answer to your question is:
10 and 18
Below we illustrate and prove that 10 and 18 multiply to 180 and add up to 28:
10 × 18 = 180
10 + 18 = 28
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 28x + 180 = 0
If so, the solution to factor the quadratic equation above is:
(x + 10 ) (x + 18)
To summarize, since 10 and 18 multiply to 180 and add up 28, you know that the following is true:
x2 + 28x + 180 = (x + 10 ) (x + 18)
Multiply To One Number and Add Up To Another
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