Yang bisa tolong di jawab yaa. Aku kasih 50 poin:)

(5×⁺¹ + 5×⁺² + 5×⁺³) / 50 = 310 / 4
(5×⁺¹ + 5×⁺² + 5×⁺³) = 310/4 x 50
(5. 5× + 25. 5× + 125. 5×) = 3.875

Misal
5× = a

5a + 25a + 125a =3.875
155a= 3.875
a = 3875 / 155
a = 25

5× = 25
5× = 5²
x = 2

Jawaban C

Eksponen

Misalkan : 5ˣ = a

Jawab:
(5ˣ⁺¹ + 5ˣ⁺² + 5ˣ⁺³)/50 = 310/4
(5ˣ.5 + 5ˣ.5² + 5ˣ.5³)/50 = 310/4
(5a + 25a + 125a)/50 = 310/4
155a/50 = 310/4
4(155a) = 50(310)
620a = 15500
a = 15500/620
a = 25

Subtitusikan "a" ke:
5ˣ = a
5ˣ = 25
5ˣ = 5²
x = 2

Nilai x adalah 2 (C)