Question

$(3x^{2})^{5}*3x : 9x^{7}=16$

Answer 1

$frac{(3x^2)^5*3x}{9x^7}=16$

 

$frac{3^{5+1}*x^{10+1}}{3^2*x^7}=16$

 

$3^{6-2}*x^{11-7}=16$

 

$3^4*x^4=2^4$

 

$(3x)^4=2^4$

 

$3x=2$

 

$x=frac{2}{3}$