Here we answer the question: "What two numbers multiply to 936 and add up to 90?"
The answer to your question is:
12 and 78
Below we illustrate and prove that 12 and 78 multiply to 936 and add up to 90:
12 × 78 = 936
12 + 78 = 90
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 90x + 936 = 0
If so, the solution to factor the quadratic equation above is:
(x + 12 ) (x + 78)
To summarize, since 12 and 78 multiply to 936 and add up 90, you know that the following is true:
x2 + 90x + 936 = (x + 12 ) (x + 78)
Multiply To One Number and Add Up To Another
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