Question Simplify the expression x2−20x Evaluate x2−4x×5Solution x2−20x Show Solution Factor the expression x(x−20) Evaluate x2−4x×5Multiply the terms x2−20xRewrite the expression x×x−x×20Solution x(x−20) Show Solution Find the roots x1=0,x2=20 Evaluate x2−4x×5To find the roots of the expression,set the expression equal to 0 x2−4x×5=0Multiply the terms x2−20x=0Factor the expression More Steps Evaluate x2−20xRewrite the expression x×x−x×20Factor out x from the expression x(x−20) x(x−20)=0When the product of factors equals 0,at least one factor is 0 x=0x−20=0Solve the equation for x More Steps Evaluate x−20=0Move the constant to the right-hand side and change its sign x=0+20Removing 0 doesn't change the value,so remove it from the expression x=20 x=0x=20Solution x1=0,x2=20 Show Solution