X 2 5x 6 0 2 3 July 8, 2019 16 32 64 128 F x )= x 3 6 0 5x 2 3x 2 X2 5x 6 0 r 2 3 5 /- x 2 5x 6 x 3 2 x 0 X 2 5x y 2 2y 11 3z 6 2 0 5x 4 3x 2 ) x 2 x 5x 6 )= 0 6 x 2 5x 2 30 x 2 5x 216 0 2 and 3 are the roots of x 2 5x 6 0