Question Simplify the expression 2z7 Evaluate 2z7Multiply by the reciprocal z7×21Multiply the terms z×27Solution 2z7 Show Solution Find the excluded values z=0 Evaluate 2z7Solution z=0 Show Solution Find the roots z∈∅ Evaluate 2z7To find the roots of the expression,set the expression equal to 0 2z7=0Find the domain 2z7=0,z=0Calculate 2z7=0Divide the terms More Steps Evaluate 2z7Multiply by the reciprocal z7×21Multiply the terms z×27Use the commutative property to reorder the terms 2z7 2z7=0Cross multiply 7=2z×0Simplify the equation 7=0Solution z∈∅ Show Solution