5x^2>9 /5
x>1,8
x E (1,8;+8)
x^2-2x>6-2x
x^2 -2x+2x>6
x^2>6
x>√(6)
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5x^2>9 /5
x>1,8
x E (1,8;+8)
x^2-2x>6-2x
x^2 -2x+2x>6
x^2>6
x>√(6)