Question k3−1 Factor the expression (k−1)(k2+k+1) Evaluate k3−1Calculate k3+k2+k−k2−k−1Rewrite the expression k×k2+k×k+k−k2−k−1Factor out k from the expression k(k2+k+1)−k2−k−1Factor out −1 from the expression k(k2+k+1)−(k2+k+1)Solution (k−1)(k2+k+1) Show Solution Find the roots k=1 Evaluate (k3−1)To find the roots of the expression,set the expression equal to 0 k3−1=0Move the constant to the right-hand side and change its sign k3=0+1Removing 0 doesn't change the value,so remove it from the expression k3=1Take the 3-th root on both sides of the equation 3k3=31Calculate k=31Solution k=1 Show Solution
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