Question Simplify the expression 4x2−180x Evaluate 4x2−12x×15Solution 4x2−180x Show Solution Factor the expression 4x(x−45) Evaluate 4x2−12x×15Multiply the terms 4x2−180xRewrite the expression 4x×x−4x×45Solution 4x(x−45) Show Solution Find the roots x1=0,x2=45 Evaluate 4x2−12x×15To find the roots of the expression,set the expression equal to 0 4x2−12x×15=0Multiply the terms 4x2−180x=0Factor the expression More Steps Evaluate 4x2−180xRewrite the expression 4x×x−4x×45Factor out 4x from the expression 4x(x−45) 4x(x−45)=0When the product of factors equals 0,at least one factor is 0 4x=0x−45=0Solve the equation for x x=0x−45=0Solve the equation for x More Steps Evaluate x−45=0Move the constant to the right-hand side and change its sign x=0+45Removing 0 doesn't change the value,so remove it from the expression x=45 x=0x=45Solution x1=0,x2=45 Show Solution