Question

Imi cere sa efectuez folosind factorul comun 
2⁹⁸ ₋2⁹⁶ ₋ 2⁹⁵

Answer 1

2la95(2la3-2la1-1)=2la95(8-2-1)=2la 95*7

Answer 2

$2^{98} - 2^{96} - 2^{95} = 2^{95} * ( 2^{3} - 2-1)= 2^{95} *5$