SOLUTION: When the sum of 522 and three times a positive number is subtracted from the square of the number, the result is 126. Find the number.
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Question 831320: When the sum of 522 and three times a positive number is subtracted from the square of the number, the result is 126. Find the number.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Already been asked a few minutes ago. I would start like this translation to symbols.
Simplify.
Examine the constant term.
648=9*72=9*2*36=9*2*6*6=3*3*2*2*2*3*3=2*2*2*3*3*3*3;
Consider 24 and 27 found from the prime factorization.
Try:
Factorable that way.
Pick
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