(4x − 7) 2 ≥ (7x − 4) 2 July 8, 2019 16 32 64 128 4x 7 2 =( 7x 4 2 7 2 7x 3 2 )= 4 3 4x 5 2 7x 2 4x 7 2x 4 2 7x 4 )= 4x 6 2 x )+ 7 (4x - 7) ^ 2