Question

rezolvati ecuatia:

5ˣ⁺¹+ 10 × 5ˣ=375

Answer 1

$5 ^{x+1} +10*5^x=375 \\ \\ (5+10)*5^x=375 \\ \\ 15*5^x=375 \\ \\ 5^x=25 \\ \\ x=2$

Answer 2

5^(x+1) + 2*5^(x+1) = 3 * 5^3
5^(x+1)  (1+2) = 3* 5^3
x+1=3
x=2