Question Simplify the expression n2n−2 Evaluate (nn−1)×2Remove the unnecessary parentheses nn−1×2Multiply the terms n(n−1)×2Multiply the terms n2(n−1)Solution More Steps Evaluate 2(n−1)Apply the distributive property 2n−2×1Any expression multiplied by 1 remains the same 2n−2 n2n−2 Show Solution Find the excluded values n=0 Evaluate (nn−1)×2Solution n=0 Show Solution Find the roots n=1 Evaluate (nn−1)×2To find the roots of the expression,set the expression equal to 0 (nn−1)×2=0Find the domain (nn−1)×2=0,n=0Calculate (nn−1)×2=0Remove the unnecessary parentheses nn−1×2=0Multiply the terms More Steps Multiply the terms nn−1×2Multiply the terms n(n−1)×2Multiply the terms n2(n−1) n2(n−1)=0Cross multiply 2(n−1)=n×0Simplify the equation 2(n−1)=0Rewrite the expression n−1=0Move the constant to the right side n=0+1Removing 0 doesn't change the value,so remove it from the expression n=1Check if the solution is in the defined range n=1,n=0Solution n=1 Show Solution