Question Simplify the expression 3x2−384x Evaluate 3(x2−8x×16)Multiply the terms 3(x2−128x)Apply the distributive property 3x2−3×128xSolution 3x2−384x Show Solution Factor the expression 3x(x−128) Evaluate 3(x2−8x×16)Multiply the terms 3(x2−128x)Solution More Steps Evaluate x2−128xRewrite the expression x×x−x×128Factor out x from the expression x(x−128) 3x(x−128) Show Solution Find the roots x1=0,x2=128 Evaluate 3(x2−8x×16)To find the roots of the expression,set the expression equal to 0 3(x2−8x×16)=0Multiply the terms 3(x2−128x)=0Rewrite the expression x2−128x=0Factor the expression More Steps Evaluate x2−128xRewrite the expression x×x−x×128Factor out x from the expression x(x−128) x(x−128)=0When the product of factors equals 0,at least one factor is 0 x=0x−128=0Solve the equation for x More Steps Evaluate x−128=0Move the constant to the right-hand side and change its sign x=0+128Removing 0 doesn't change the value,so remove it from the expression x=128 x=0x=128Solution x1=0,x2=128 Show Solution