5x + 5x + 2 = 650
= 5x + 5x . 54
= 5x . ( 1 + 625 )
= 5x . 625 = 650
=> 5x = 650 - 625
5x = 25
=> x = 2
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5x + 5x + 2 = 650
= 5x + 5x . 54
= 5x . ( 1 + 625 )
= 5x . 625 = 650
=> 5x = 650 - 625
5x = 25
=> x = 2
5^x+5^x+2=650
tìm x, biết ; 5^x + 5^x+2=650
tìm x biết 5^x+(5^x+2)=650
5^x + 5^x + 2 = 650
5x+5x+2=650
5x+5x+2=650
5x+5x+2=650
5x+5x+2=650
5x+5x+2=650