Write the Complex Number in Standard Form $( 4 + \sqrt { - 6 } ) ( 6 - \sqrt { - 14 } )$

Multiple Choice

Write the complex number in standard form.​ $( 4 + \sqrt { - 6 } ) ( 6 - \sqrt { - 14 } )$ ​

A) (24 - $2 \sqrt { 21 }$ ) - (6 $\sqrt { 6 }$ - 4 $\sqrt { 14 }$ ) i
B) (24 + $2 \sqrt { 21 }$ ) + (6 $\sqrt { 6 }$ - 4 $\sqrt { 14 }$ ) i
C) (24 - $2 \sqrt { 21 }$ ) + (6 $\sqrt { 6 }$ - 4 $\sqrt { 14 }$ ) i
D) (24 + $2 \sqrt { 21 }$ ) - (6 $\sqrt { 6 }$ - 4 $\sqrt { 14 }$ ) i
E) (24 + $2 \sqrt { 21 }$ ) + (6 $\sqrt { 6 }$ + 4 $\sqrt { 14 }$ ) i