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
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix