6x 7 )( 2x 3 )-( 4x 1 )( 3x 7 4 July 8, 2019 16 32 64 128 6) - 7(- 4x + 3) + 2(3x - 7) = (6x - 7) ^ 4 + 4 * (6x - 7) ^ 2 + 3 = 0 6) - 7(- 4x + 3) + 2(3x - 7) = b) 4 5(- 8y - 7) - 3 9(6 - 9y) =
