Question Simplify the expression x2−1620x Evaluate x2−18x×90Solution x2−1620x Show Solution Factor the expression x(x−1620) Evaluate x2−18x×90Multiply the terms x2−1620xRewrite the expression x×x−x×1620Solution x(x−1620) Show Solution Find the roots x1=0,x2=1620 Evaluate x2−18x×90To find the roots of the expression,set the expression equal to 0 x2−18x×90=0Multiply the terms x2−1620x=0Factor the expression More Steps Evaluate x2−1620xRewrite the expression x×x−x×1620Factor out x from the expression x(x−1620) x(x−1620)=0When the product of factors equals 0,at least one factor is 0 x=0x−1620=0Solve the equation for x More Steps Evaluate x−1620=0Move the constant to the right-hand side and change its sign x=0+1620Removing 0 doesn't change the value,so remove it from the expression x=1620 x=0x=1620Solution x1=0,x2=1620 Show Solution