log2(2x+1)=2
2²=2x+1
4=2x+1
2x=3
x=1,5
log8(x²-8)=1
8^1=x²-8
8-x²+8=0
16-x²=0
x1= 4 x2= -4
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log2(2x+1)=2
2²=2x+1
4=2x+1
2x=3
x=1,5
log8(x²-8)=1
8^1=x²-8
8-x²+8=0
16-x²=0
x1= 4 x2= -4