5 5x 2 30 July 8, 2019 16 32 64 128 5x 5 30x 2 5 5x 2 30x 8 5 5 5x 2 30x 8 5 factorise X 2 5 5x 30 X 2 5 5x 30 factorise 5x 2 30x =- 4x 5 X 2 5 5x 30 0 5 √ 5x 2 30x 8 √ 5 5 root 5x 2 30x 8 root 5 1 5 x 20 )= 2 5x 30 4x 2 5x 5 5x 30