X 2 5x 2 x 5 )= 0 July 8, 2019 16 32 64 128 X 3 5x 2 x 5 0 X 2 5x 4 x 5 )= 0 Log x 2 x 2 x 3 2x 2 5x 5 )= 0 X 3 x 2 4 0 5x 2 5 X 2 5x 7 2 2x 5 2 0 X 2 5x 6 x 5 )= 0 2 5x 2 x 3 5 0 by factorisation 5 /- x 2 5x 6 x 3 2 x 0 5 x2