5 15 2 4x 1 July 8, 2019 16 32 64 128 6x 5 )+( 8 4x )= 15 2 x 1 16x2 4x 5 2 15 4x 2 12x 15 5 25 5 4x 2 15 =- 14 4x 2 12x 15 5 complete the square 4x 2 16x 15 2x 5 1 5 5x 15 )= 1 2 4x 6 16x 15 5 4x =- 2 6 4/15 x 5
