Question Factor the expression x(4x−9) Evaluate 4x2−9xRewrite the expression x×4x−x×9Solution x(4x−9) Show Solution Find the roots x1=0,x2=49Alternative Form x1=0,x2=2.25 Evaluate 4x2−9xTo find the roots of the expression,set the expression equal to 0 4x2−9x=0Factor the expression More Steps Evaluate 4x2−9xRewrite the expression x×4x−x×9Factor out x from the expression x(4x−9) x(4x−9)=0When the product of factors equals 0,at least one factor is 0 x=04x−9=0Solve the equation for x More Steps Evaluate 4x−9=0Move the constant to the right-hand side and change its sign 4x=0+9Removing 0 doesn't change the value,so remove it from the expression 4x=9Divide both sides 44x=49Divide the numbers x=49 x=0x=49Solution x1=0,x2=49Alternative Form x1=0,x2=2.25 Show Solution