Question Simplify the expression 2019iNan Evaluate 1999Nian+20NianMultiply the numbers 1999iNan+20NianMultiply the numbers 1999iNan+20iNanCollect like terms by calculating the sum or difference of their coefficients (1999i+20i)NanSolution More Steps Evaluate 1999i+20iCollect like terms (1999+20)iCalculate 2019i 2019iNan Show Solution