Factor this polynomial completely.
x2 - 81

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

2x minus y equals 6, x plus y equals negative 3