Question Simplify the expression 9x2−81x Evaluate (x×9)(x−9)Remove the parentheses x×9(x−9)Use the commutative property to reorder the terms 9x(x−9)Apply the distributive property 9x×x−9x×9Multiply the terms 9x2−9x×9Solution 9x2−81x Show Solution Find the roots x1=0,x2=9 Evaluate (x×9)(x−9)To find the roots of the expression,set the expression equal to 0 (x×9)(x−9)=0Use the commutative property to reorder the terms 9x(x−9)=0Elimination the left coefficient x(x−9)=0Separate the equation into 2 possible cases x=0x−9=0Solve the equation More Steps Evaluate x−9=0Move the constant to the right-hand side and change its sign x=0+9Removing 0 doesn't change the value,so remove it from the expression x=9 x=0x=9Solution x1=0,x2=9 Show Solution