Question Simplify the expression a3−1 Evaluate a2×a−1Solution More Steps Evaluate a2×aUse the product rule an×am=an+m to simplify the expression a2+1Add the numbers a3 a3−1 Show Solution Factor the expression (a−1)(a2+a+1) Evaluate a2×a−1Evaluate More Steps Evaluate a2×aUse the product rule an×am=an+m to simplify the expression a2+1Add the numbers a3 a3−1Rewrite the expression in exponential form a3−13Use a3−b3=(a−b)(a2+ab+b2) to factor the expression (a−1)(a2+a×1+12)Any expression multiplied by 1 remains the same (a−1)(a2+a+12)Solution (a−1)(a2+a+1) Show Solution Find the roots a=1 Evaluate a2×a−1To find the roots of the expression,set the expression equal to 0 a2×a−1=0Multiply the terms More Steps Evaluate a2×aUse the product rule an×am=an+m to simplify the expression a2+1Add the numbers a3 a3−1=0Move the constant to the right-hand side and change its sign a3=0+1Removing 0 doesn't change the value,so remove it from the expression a3=1Take the 3-th root on both sides of the equation 3a3=31Calculate a=31Solution a=1 Show Solution