Question

1) x^7/x^5= 2) (x^3)^6*x^4/x^18

Answer 1

1) =х^(7-5)=х^2
2) (х^3)^6=х^(3*6)=х^18
х^18*х^4=х^(18+4)=х^22
х^22/х^18=х^(22-18)=х^4

Answer 2

1) x^7/x^5 = x^(7-5) = x^2

2) (x^3)^6 * x^4/x^18 = x^(3*6) * x^(4-18) = x^18 * x^(-14) = x^(18-14) = x^4