Question Simplify the expression h3−3h2+3h−1 Evaluate (h−1)3Use (a−b)3=a3−3a2b+3ab2−b3 to expand the expression h3−3h2×1+3h×12−13Solution h3−3h2+3h−1 Show Solution Find the roots h=1 Evaluate (h−1)3To find the roots of the expression,set the expression equal to 0 (h−1)3=0The only way a power can be 0 is when the base equals 0 h−1=0Move the constant to the right-hand side and change its sign h=0+1Solution h=1 Show Solution
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