Simplify the Expression $( 2 \sqrt { 7 } + 10 \sqrt { 5 } ) ( 2 \sqrt { 7 } + 6 \sqrt { 5 } )$

question 357

Multiple Choice

Simplify the expression. Assume all variables represent positive real numbers.
- $( 2 \sqrt { 7 } + 10 \sqrt { 5 } ) ( 2 \sqrt { 7 } + 6 \sqrt { 5 } )$

• A) \(4 \sqrt { 7 } + 60 \sqrt { 5 }\)
• B) \(- 272 + 32 \sqrt { 35 }\)
• C) \(328 + 32 \sqrt { 35 }\)
• D) \(4 \sqrt { 7 } + 60 \sqrt { 5 } + 32 \sqrt { 35 }\)

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