7 x 3 6x July 8, 2019 16 32 64 128 7 x 3 )= 6x 2 2x 7 x 3 6x (- x 7 )( 6x 3 )= 0 7x 7 6x 3 9 7 x 3 )= 5 6x 7 2 x 3 )= 9 6x X 3 6x 2 7 0 X2 6x 7 x 3 X 3 6x 2 14x 7 9 7 x 3 ≥ 5 6x 7 2 x 1 )/ 3 6x 5
