Question Simplify the expression 3−9n Evaluate (3×nn)−3n×3Divide the terms (3×1)−3n×3Any expression multiplied by 1 remains the same 3−3n×3Solution 3−9n Show Solution Find the excluded values n=0 Evaluate (3×nn)−3n×3Solution n=0 Show Solution Factor the expression 3(1−3n) Evaluate (3×nn)−3n×3Simplify the expression (3×1)−3n×3Any expression multiplied by 1 remains the same 3−3n×3Multiply the terms 3−9nSolution 3(1−3n) Show Solution Find the roots n=31Alternative Form n=0.3˙ Evaluate (3×nn)−3n×3To find the roots of the expression,set the expression equal to 0 (3×nn)−3n×3=0Find the domain (3×nn)−3n×3=0,n=0Calculate (3×nn)−3n×3=0Simplify the expression (3×1)−3n×3=0Any expression multiplied by 1 remains the same 3−3n×3=0Multiply the terms 3−9n=0Move the constant to the right-hand side and change its sign −9n=0−3Removing 0 doesn't change the value,so remove it from the expression −9n=−3Change the signs on both sides of the equation 9n=3Divide both sides 99n=93Divide the numbers n=93Cancel out the common factor 3 n=31Check if the solution is in the defined range n=31,n=0Solution n=31Alternative Form n=0.3˙ Show Solution