Find Real Numbers a and B Such That the Equation $( a + 4 ) + 2 b i = 4 - 17 i$

Multiple Choice

Find real numbers a and b such that the equation is true. ​​ $( a + 4 ) + 2 b i = 4 - 17 i$ ​

A) ​a = 0,b = - $\frac { 21 } { 2 }$
B) ​​a = 0,b = - $\frac { 17 } { 2 }$
C) ​​a = 0,b = - $\frac { 19 } { 2 }$
D) ​​a = 0,b = -9
E) ​​a = 0,b = -10