Question Simplify the expression k321 Evaluate 3k×k47Cancel out the common factor k 3×k37Multiply the terms k33×7Solution k321 Show Solution Find the excluded values k=0 Evaluate 3k×k47To find the excluded values,set the denominators equal to 0 k4=0Solution k=0 Show Solution Find the roots k∈∅ Evaluate 3k×k47To find the roots of the expression,set the expression equal to 0 3k×k47=0The only way a power can not be 0 is when the base not equals 0 3k×k47=0,k=0Calculate 3k×k47=0Multiply the terms More Steps Multiply the terms 3k×k47Cancel out the common factor k 3×k37Multiply the terms k33×7Multiply the terms k321 k321=0Cross multiply 21=k3×0Simplify the equation 21=0Solution k∈∅ Show Solution