Question Simplify the expression x3+3x2+3x+1 Evaluate (x+1)3Use (a+b)3=a3+3a2b+3ab2+b3 to expand the expression x3+3x2×1+3x×12+13Solution x3+3x2+3x+1 Show Solution Find the roots x=−1 Evaluate (x+1)3To find the roots of the expression,set the expression equal to 0 (x+1)3=0The only way a power can be 0 is when the base equals 0 x+1=0Move the constant to the right-hand side and change its sign x=0−1Solution x=−1 Show Solution