Question

find the value of x³-x²+x+46 if x=2+3i
90 points question

Answer 1

Answer:

[8-27¡+3(2)(3¡)]-(4-9+12¡)+(2+3¡)+46

=[8-27¡+18¡]-(-5+12¡)+2+3¡+46

=8-9¡+5-12¡+2+3¡+46

=61-18¡