Question Simplify the expression x3−6x2+12x−8 Evaluate (x−2)3Use (a−b)3=a3−3a2b+3ab2−b3 to expand the expression x3−3x2×2+3x×22−23Solution x3−6x2+12x−8 Show Solution Find the roots x=2 Evaluate (x−2)3To find the roots of the expression,set the expression equal to 0 (x−2)3=0The only way a power can be 0 is when the base equals 0 x−2=0Move the constant to the right-hand side and change its sign x=0+2Solution x=2 Show Solution
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Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix