Question

упростить выражение 6x-²y-¹+(3y-¹-x-²)²​

Answer 1

6x-²y-¹+(3y-¹-x-²)²​= 6/x²y¹+(3/y-1/x²)²​=6/x²y+((3х²-у)/(x²у))²​=

(6x²y-6x²y+х⁴+9у²)/(x⁴у²​)=(х⁴+9у²)/(x⁴у²​)