2x 3 4x 0 July 8, 2019 16 32 64 128 2x 3 4x 2 0 2x 3 )( 4x 8 0 2x 3 7 4x 0 2x 2 4x 3 0 completing the square 2x 3 6x 2 4x 0 2x 3 4x 2 30x 0 2x 4 4x 3 0 2x 3 4x 2 1 0 2x 3 9x 2 4x 0 13 3 2x 0 4x 40 2x 3 4x 2 2x 4 0 2x 3 4x 2 3x 6 0 4x 2x 3 15 0 2x 3 7x 2 4x 4 0 2x 3 )( 4x 5 )= 0
