Question

8х^3-8х^7=0

4х^3-24х=0

Answer 1

$8x^3-8x^7=0\8x^3(1-x^4)=0\8x^3=0; 1-x^4=0\x=0,pm1\\\4x^3-24x=0\4x(x^2-6)=0\4x=0; x^2-6=0\x=0,pmsqrt{6}$