Write the Complex Number in Standard Form $( 3 + \sqrt { - 6 } ) ( 5 - \sqrt { - 14 } )$

Multiple Choice

Write the complex number in standard form.
$( 3 + \sqrt { - 6 } ) ( 5 - \sqrt { - 14 } )$

A) $( 15 - 2 \sqrt { 21 } ) - ( 5 \sqrt { 6 } - 3 \sqrt { 14 } ) i$
B) $( 15 + 2 \sqrt { 21 } ) + ( 5 \sqrt { 6 } - 3 \sqrt { 14 } ) i$
C) $( 15 - 2 \sqrt { 21 } ) + ( 5 \sqrt { 6 } - 3 \sqrt { 14 } ) i$
D) $( 15 + 2 \sqrt { 21 } ) - ( 5 \sqrt { 6 } - 3 \sqrt { 14 } ) i$
E) $( 15 + 2 \sqrt { 21 } ) + ( 5 \sqrt { 6 } + 3 \sqrt { 14 } ) i$