Seudónimo
Seudónimo
06-07-2018
Mathematics
contestada
Will give brainliest to correct answer.
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DavidUsa
DavidUsa
06-07-2018
(sqrtx+1)^2 + (2sqrtx)^2 = (2sqrtx+1)^2
x + 2sqrtx + 1 + 4x = 4x + 4sqrtx + 1
5x + 2sqrtx + 1 = 4x + 4sqrtx + 1
take out 1 and 2 sqrtx and 4x on both sides
x = 2sqrtx
x/2 = sqrtx
x^2/4 = x
x/4 = 1
x=4
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