Question

(Х2)7*(Х3)9:Х30
__________________ =3111
Х*Х3

Answer 1

$frac{( x^{2} ) ^{7}*( x^{3}) ^{9}:x ^{30}}{x*x ^{3} } =3111\\ frac{ x^{14}*x ^{27}:x ^{30}}{x*x ^{3} }=3111\\ frac{ x^{14+27-30} }{ x^{1+3} }=3111\\ frac{ x^{11} }{ x^{4} }=3111\\x ^{11-4}=3111\\x ^{7}=3111\\x= sqrt[7]{3111}$