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When 21 is subtracted from the square of a number, the result is 4 times the number. Find the positive solution.

When 21 is subtracted from the square of a number, the result is 4 times the number. Find the positive solution.
asked 147k views
1 vote
When 21 is subtracted from the square of a number, the result is 4 times the number.

Find the positive solution.

asked
User DeepWebMie
by
7.7k points

1 Answer

7 votes

Answer:

7

Explanation:

7^2 =49

49 -21 =28

28÷7 = 4

answered
User Hasan Hasanov
by
8.1k points
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