dzialanie tego typu: 2 do potegi X + 9 pomnozone przez 2 do potegi X = 40
dziakuje za pomoc
2^x+9·2^x=40
2^x(1+9)=40
2^x·10=40
2^x=4
2^x=2²
x=2
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2^x+9·2^x=40
2^x(1+9)=40
2^x·10=40
2^x=4
2^x=2²
x=2