9 x 2 1 6x July 8, 2019 16 32 64 128 9 x 2 1 6x in standard form $9 x 2 6x 1 0 9x 2 1 6x )=- x 6 2x 2 x 9 )+( x 2 6x 1 3x 2 x 1 )= 6x 9 2 3 x 9 )- 2 1 6x 9 8 x 2 )-( 6x 1 Solve $9 x 2 6x 1 0 using the quadratic formula
