Question Simplify the expression 3x2−12x Evaluate (3x×1)(x−4)Remove the parentheses 3x×1×(x−4)Any expression multiplied by 1 remains the same 3x(x−4)Apply the distributive property 3x×x−3x×4Multiply the terms 3x2−3x×4Solution 3x2−12x Show Solution Find the roots x1=0,x2=4 Evaluate (3x×1)(x−4)To find the roots of the expression,set the expression equal to 0 (3x×1)(x−4)=0Multiply the terms 3x(x−4)=0Elimination the left coefficient x(x−4)=0Separate the equation into 2 possible cases x=0x−4=0Solve the equation More Steps Evaluate x−4=0Move the constant to the right-hand side and change its sign x=0+4Removing 0 doesn't change the value,so remove it from the expression x=4 x=0x=4Solution x1=0,x2=4 Show Solution