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