Question

cn stie : utilizand factorul comun efectuati 3 ori 5 la puterea 47+2 ori 5 la puterea 48 +6 ori 5 la puterea 49

Answer 1

$3* 5^{47} +2*5^{48} +6*5^{49} =$

$5^{47} *(3+2*5 +6*5^{2}) =$


$5^{47} *(3+10 +6*25) =$


$5^{47} *(3+10 +150) = 5^{47} *163$