Question Simplify the expression kk−2 Evaluate 1−k2Reduce fractions to a common denominator kk−k2Solution kk−2 Show Solution Find the excluded values k=0 Evaluate 1−k2Solution k=0 Show Solution Find the roots k=2 Evaluate 1−k2To find the roots of the expression,set the expression equal to 0 1−k2=0Find the domain 1−k2=0,k=0Calculate 1−k2=0Subtract the terms More Steps Simplify 1−k2Reduce fractions to a common denominator kk−k2Write all numerators above the common denominator kk−2 kk−2=0Cross multiply k−2=k×0Simplify the equation k−2=0Move the constant to the right side k=0+2Removing 0 doesn't change the value,so remove it from the expression k=2Check if the solution is in the defined range k=2,k=0Solution k=2 Show Solution