1) 54X-7
2)-6x^(-4)-2x^5/3+6/sqrt(x)
3)ctgx-(x-4)/sin^2x
4)(-2xcosx+(2-x^2)sinx)/cos^2x
5)(x+2)12x+(6x^2-3)=12x^2+24x+6x^2-3=18x^2+24x-3
6)6(3x^4-5)*12x^3=72x^3(3x^4-5)
1) 54X-7
2)-6x^(-4)-2x^5/3+6/sqrt(x)
3)ctgx-(x-4)/sin^2x
4)(-2xcosx+(2-x^2)sinx)/cos^2x
5)(x+2)12x+(6x^2-3)=12x^2+24x+6x^2-3=18x^2+24x-3
6)6(3x^4-5)*12x^3=72x^3(3x^4-5)