(- 4x 2 3x 6 ) ( 6x 2 2x 1 July 8, 2019 16 32 64 128 (- 4x 2 3x 6 )+( 6x 2 2x 1 6) 3(4 - 2x) + 6 = - 2x + 4 (4x - 6) ^ 2 = (6x - 4) ^ 2 6(3 - 2x) + 3( 4x - 2)≥0 6) (2 - 3x) + 4(6 + x) 1
