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