Question

помогите решить! 5^{ x^{2}-8x+12} =1

Answer 1

5^(x²-8x+12)=1
5^(x²-8x+12)=5^0
x²-8x+12=0
D/4=4²-12=4=+-2
x1=4+2=6
x2=4-2=2

2²-8*2+12=0
6²-8*6+12=0