Question

9x(x+5)=729

Answer 1

9x(x+5)=729

x + 5 = 729 : 9

x + 5 = 81

x = 81 - 5

x = 76

Answer 2

\(\left(x+5\right)=729:9\\ x+5=81\\ x=81-5\\ x=76 \)