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Calculati x astfel incat 3^37-27^12=2x81^10:x^2

Răspuns :

3^37-27^12=2×81^10:x^2
3^37-3^36=2×3^40:x^2
3^36×(3^1-3^0)=
2×3^40:x^2
(3-1)=2×3^4:x^2
1=3^4:x^2
x^2=3^4
x^2=(3^2)^2
x=3^2
x=9