Algebra 1: Common Core (15th Edition)

The student's mistake was that he thought that $x = x^0$. That it not true. $x = x^1$. The answer should've been $x^{6+1+3}$ or $x^{10}$
The student's mistake was that he thought that $x = x^0$. That it not true. $x = x^1$. The answer should've been $x^{6+1+3}$ or $x^{10}$