Question

2la puterea x +2 la x+1+2la x+2+2la x+2 la x+4=248

Answer 1

2 la puterea x+2 +2 la puterea 2la x+1+2+ 2 la puterea x+2+2+2 la puterea x+2+2 la puterea x+4=248
2 la puterea x+2×(1+2la puterea 3+2la puterea 4+1)
2la puterea x+2 ×26=248<=>2 la puterea x+2=248:26
2 la puterea x+2=9,53
x=9,53÷2
x=4,765+2
x=6,765
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