Верно ли при любом х неравенство:
А) 4x(x+0.25)>(2x+3)(2x-3)
Б) (5x-1)(5x+1)<25x^2+2
B) (3x+8)^2>3x(x+16)
Г) (7+2x)(7-2x)<49-x(4x+1)
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