Multiply, and Then Simplify If Possible $\sqrt { 7 } ( \sqrt { 5 } + \sqrt { 3 } )$

question 132

Multiple Choice

Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
- $\sqrt { 7 } ( \sqrt { 5 } + \sqrt { 3 } )$

• A) \(8 \sqrt { 7 }\)
• B) \(\sqrt { 56 }\)
• C) \(7 \sqrt { 5 } + 7 \sqrt { 3 }\)
• D) \(\sqrt { 35 } + \sqrt { 21 }\)

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