8х²-2х(4х+1)≤х
8х²-8х²-2х≤х
3х≥0
х≥0 х∈[;+∞)
х-(х-3)/4+(х+1)/8>2
8x-2x+6+x+1>16
7x>9
x>9/7 x∈(9/7;+∞)
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8х²-2х(4х+1)≤х
8х²-8х²-2х≤х
3х≥0
х≥0 х∈[;+∞)
х-(х-3)/4+(х+1)/8>2
8x-2x+6+x+1>16
7x>9
x>9/7 x∈(9/7;+∞)