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3la37-27la12=2•81la10:xla2

Răspuns :

Renatemambouko
 3^37  -27^12=2•81^10:x^2
3^37-(3^3)^12=2•(3^4)^10:x^2
3^37-3^36=2•3^40:x^2
3^36(3-1)=2•3^40:x^2
3^36•2=2•3^40:x^2
x^2=2•3^40/2•3^36
x^2=3^4
x=√(3^4)=+/-3^2=+/-9
Constantinescua1
3^27-(3^3)^12=2*(3^4)^10/x^2                  3^27-3^26=2*3^40/x^2            3=2*3^40/x^2                x^2=2*3^40/3          x^2=2*3^39    x^2=6^39   

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