Question Simplify the expression Solution −1−a3 Evaluate −1−a×a×aSolution −1−a3 Show Solution Factor the expression Factor −(1+a)(1−a+a2) Evaluate −1−a×a×aRewrite the expression in exponential form −1−a3Factor out −1 from the expression −(1+a3)Solution More Steps Evaluate 1+a3Rewrite the expression in exponential form 13+a3Use a3+b3=(a+b)(a2−ab+b2) to factor the expression (1+a)(12−1×a+a2)1 raised to any power equals to 1 (1+a)(1−1×a+a2)Any expression multiplied by 1 remains the same (1+a)(1−a+a2) −(1+a)(1−a+a2) Show Solution Find the roots Find the roots of the algebra expression a=−1 Evaluate −1−a×a×aTo find the roots of the expression,set the expression equal to 0 −1−a×a×a=0Multiply More Steps Multiply the terms a×a×aMultiply the terms with the same base by adding their exponents a1+1+1Add the numbers a3 −1−a3=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=1Change the signs on both sides of the equation a3=−1Take the 3-th root on both sides of the equation 3a3=3−1Calculate a=3−1Solution More Steps Evaluate 3−1An odd root of a negative radicand is always a negative −31Simplify the radical expression −1 a=−1 Show Solution