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Multiply, and Then Simplify If Possible (77847)(11+7)( \sqrt { 77 } - \sqrt { 847 } ) ( \sqrt { 11 } + \sqrt { 7 } )

Question 207

Multiple Choice

Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
- (77847) (11+7) ( \sqrt { 77 } - \sqrt { 847 } ) ( \sqrt { 11 } + \sqrt { 7 } )


A) 117+7111177+7711 \sqrt { 7 } + 7 \sqrt { 11 } - 11 \sqrt { 77 } + 77
B) 117+71111777711 \sqrt { 7 } + 7 \sqrt { 11 } - 11 \sqrt { 77 } - 77
C) 117+711+1177+7711 \sqrt { 7 } + 7 \sqrt { 11 } + 11 \sqrt { 77 } + 77
D) 117711+1177+7711 \sqrt { 7 } - 7 \sqrt { 11 } + 11 \sqrt { 77 } + 77

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