Question

помогите много дам упростите (6-9)умлляюююю!!!!!!!!!!!!!!!!!!!!!

Answer 1

x^5*(x^2)^4=x^(5+2*4) = x^13
a^6*a/(a^8) = a^(6+1-8) = a^(-1) = 1/a
(-4a^4*b^3)^3=-64*a^12*b^9
8x^4y^3/(12x^8y)=2/3*x^(4-8)y^(3-1)=2/3*x^(-4)y^2=2/3*y^2/x^4