Question Simplify the expression 9x−3x2 Evaluate (3−x)×3xMultiply the terms 3x(3−x)Apply the distributive property 3x×3−3x×xMultiply the numbers 9x−3x×xSolution 9x−3x2 Show Solution Find the roots x1=0,x2=3 Evaluate (3−x)(3x)To find the roots of the expression,set the expression equal to 0 (3−x)(3x)=0Multiply the terms (3−x)×3x=0Multiply the terms 3x(3−x)=0Elimination the left coefficient x(3−x)=0Separate the equation into 2 possible cases x=03−x=0Solve the equation More Steps Evaluate 3−x=0Move the constant to the right-hand side and change its sign −x=0−3Removing 0 doesn't change the value,so remove it from the expression −x=−3Change the signs on both sides of the equation x=3 x=0x=3Solution x1=0,x2=3 Show Solution