Question

3 la 53+3 la 52 + 3 la 51=????
Am nevoie de ajutor!! repede​

Answer 1

$3 {}^{53} + {3}^{52} + {3}^{51} = \\ = {3}^{51} ( {3}^{2} + 3 + 1) = \\ = {3}^{51} \times ( 9 + 3 + 1) = \\ = 13 \times {3}^{51}$