Question

calcular "x" en:
miren la foto por fa es facil .

alternativas:
a.1 b.2 c.-1 e.0

Answer 1

5^(4x + 2) = 25

25 = 5^2

5^(4x +2 ) = 5^2

4x+2 = 2

4x = 2-2

4x=0

x = 0