Question Simplify the expression x3−24x2+192x−512 Evaluate (x−8)3Use (a−b)3=a3−3a2b+3ab2−b3 to expand the expression x3−3x2×8+3x×82−83Solution x3−24x2+192x−512 Show Solution Find the roots x=8 Evaluate (x−8)3To find the roots of the expression,set the expression equal to 0 (x−8)3=0The only way a power can be 0 is when the base equals 0 x−8=0Move the constant to the right-hand side and change its sign x=0+8Solution x=8 Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix