SOLUTION: 2(x-9)2=98 The 2 after the (x-9) is suppose to be to the 2nd power

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Question 35167This question is from textbook Beginning Algebra
: 2(x-9)2=98 The 2 after the (x-9) is suppose to be to the 2nd power This question is from textbook Beginning Algebra

Answer by checkley71(8403) About Me  (Show Source):
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2(X-9)~2=98 OR (X-9)~2=98/2 OR (X-9)~2=49 THEREFORE THE SQRT OF BOTH SIDES OF THE EQUATION GIVES X-9=7 OR X=16
PROOF 2(16-9)~2=98OR 2(7)~2-98 OR 2*49=98 OR 98=98