Question

Resolva as equações exponenciais:

Answer 1

3^(5x+2) = 3^(-2x)
5x+2 = -2x
7x = -2
x = -2/7 ✓

3^3(x-2) = 3^(-1)
3x-6= -1
3x = 5
x = 5/3 ✓

2^(x²-3) = 2^(2x)
x³-3 = 2x
x² -2x -3= 0
-b/c = 2/-3 = 3-1/3•-1 => x'=3 , x"= -1