5x x 2 0 July 8, 2019 16 32 64 128 5x 2 x 0 solve by factoring 5x x 2 6 0 5x 1 )( x 2 )= 0 5x x 2 ≥ 0 5x 4 x 2 0 5x x 2 9 )= 0 5x 2 x 2 0 discriminant 5x 10 x 2 0 7 5x x 2 0 14 5x x 2 0 5x 2 x 18 0 5x 2 x 8 0 5x 2 x 5 0 5x 2 x 108 0