SOLUTION: solve. approximate irrational roots to the nearest tenth.
The difference of the square of a number and the number is 12. find the number.
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Question 44157: solve. approximate irrational roots to the nearest tenth.
The difference of the square of a number and the number is 12. find the number.
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Let the number be x...then we have
x^2 - x = 12
x^2 - x - 12 = 0
(x - 4)(x + 3) = 0
x = 4 or x = -3
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