Tìm x

C;(-x-5 ) ^5 = -32

D; (10-x )^4=25^2

E; 7^2x-6=49

F; 4^x +2^2x+1=48

G;11+5. (x-1 ) ^2 =56

H; (x^2-4 ) (2x+10 )=0

I;15+(x-1 ) ^3 =42
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