Here we answer the question: "What two numbers multiply to 156 and add up to 25?"
The answer to your question is:
12 and 13
Below we illustrate and prove that 12 and 13 multiply to 156 and add up to 25:
12 × 13 = 156
12 + 13 = 25
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 25x + 156 = 0
If so, the solution to factor the quadratic equation above is:
(x + 12 ) (x + 13)
To summarize, since 12 and 13 multiply to 156 and add up 25, you know that the following is true:
x2 + 25x + 156 = (x + 12 ) (x + 13)
Multiply To One Number and Add Up To Another
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