Question Simplify the expression 5k2−10k+5 Evaluate 5(k−1)2Expand the expression More Steps Evaluate (k−1)2Use (a−b)2=a2−2ab+b2 to expand the expression k2−2k×1+12Calculate k2−2k+1 5(k2−2k+1)Apply the distributive property 5k2−5×2k+5×1Multiply the numbers 5k2−10k+5×1Solution 5k2−10k+5 Show Solution Find the roots k=1 Evaluate 5(k−1)2To find the roots of the expression,set the expression equal to 0 5(k−1)2=0Rewrite the expression (k−1)2=0The only way a power can be 0 is when the base equals 0 k−1=0Move the constant to the right-hand side and change its sign k=0+1Solution k=1 Show Solution