Question Simplify the expression x3−12x2+48x−64 Evaluate (x−4)3Use (a−b)3=a3−3a2b+3ab2−b3 to expand the expression x3−3x2×4+3x×42−43Solution x3−12x2+48x−64 Show Solution Find the roots x=4 Evaluate (x−4)3To find the roots of the expression,set the expression equal to 0 (x−4)3=0The only way a power can be 0 is when the base equals 0 x−4=0Move the constant to the right-hand side and change its sign x=0+4Solution x=4 Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix