The product of 9 and a number is 12 less than three times that number. What is the number?
1 answer:
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For this case we must factor the following expression:
We take the sign "-" as a common factor of the expression, taking into account that:
To factor, we must find two numbers that, when multiplied, result in -48 and when added, result in -2. These numbers are -8 and +6.
Then, we factor the expression within the parenthesis as:
Answer: