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4(x²+12x+36)-3x > 4x²-1
4x²+48x+144-3x > 4x²-1
48x-3x>-1-144
45x>-145/45
x>-3
4(x*+12x+36)-3x=4x*-1
4x*+48x+144-3x=4x*-1
4x*+48x-3x-4x*=-1-144
45X=145/:45
x=-3,(6)