Question Simplify the expression 81x−1 Evaluate 9x×9−1Solution 81x−1 Show Solution Find the roots x=811Alternative Form x≈0.012346 Evaluate 9x×9−1To find the roots of the expression,set the expression equal to 0 9x×9−1=0Multiply the terms 81x−1=0Move the constant to the right-hand side and change its sign 81x=0+1Removing 0 doesn't change the value,so remove it from the expression 81x=1Divide both sides 8181x=811Solution x=811Alternative Form x≈0.012346 Show Solution