(2x-15)5=(2x-15)3
(2x-15)2.(2x-15)3=(2x-15)3
(2x-15)2=(2x-15)3:(2x-15)3
(2x-15)2=1
Nếu:2x-15=1 Nếu:2x-15=-1
2x=16 2x=14
x=16:2=8 x=14:2=7
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(2x-15)^5=(2x-15)^3
(2x-15)5=(2x-15)3
( 2x - 15 ) ^ 5 = ( 2x -15 ) ^ 3
(2x-15)^5=(2x-15)^3
Tim x , : a)(2x-15)^5=(2x-15)^3
(2x-15)5=(2x-15)3
(2x-15)5=(2x-15)3
(2x -15 )5 = (2x -15 )3
(2x-15)5=(2x-15)3
(2x-15)5=(2x-15)3