0 7 x 7 July 8, 2019 16 32 64 128 0 75 x 7 0 7 х 7 7 0 x 7 2 7 0 x 7 3 0 7 x 1 7 6 7 x 0 7 2x 7 )( x 7 )= 0 X2 6x 7 0 when x 7 9 x - 0 7 =- 0 7 7 8 x 7 0 0 7 3 x 0 7 2 5 7 x 0 7 3x x 7 )- x 7 0 If x 7 x 7 = 0 then
