SOLUTION: Simplify: (2 time the square root of 5 plus 3 times the square root of 7)^2. Trying to show my work and justify each step:
(5 x 5)^2= 25^2=625
(7 x 7 x 7)^2= 343^2= 117,649
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Question 595976: Simplify: (2 time the square root of 5 plus 3 times the square root of 7)^2. Trying to show my work and justify each step:
(5 x 5)^2= 25^2=625
(7 x 7 x 7)^2= 343^2= 117,649
117,649 + 625 = 118,274
OR:
5 x 5 = 25
7 x 7 x 7 = 343
343 + 25 = 368
368^2= 135,424
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Simplify: (2 time the square root of 5 plus 3 times the square root of 7)^2. Trying to show my work and justify each step:
(5 x 5)^2= 25^2=625
(7 x 7 x 7)^2= 343^2= 117,649
117,649 + 625 = 118,274
OR:
5 x 5 = 25
7 x 7 x 7 = 343
343 + 25 = 368
368^2= 135,424
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I think it means:
=
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