Factor by Grouping $15 a ^ { 3 } + 9 a ^ { 2 } b + 25 a b ^ { 2 } + 15 b ^ { 3 }$

question 201

Multiple Choice

Factor by grouping.
- $15 a ^ { 3 } + 9 a ^ { 2 } b + 25 a b ^ { 2 } + 15 b ^ { 3 }$

• A) \(\left( 15 a ^ { 2 } + 5 b ^ { 2 } \right) ( a + 3 b )\)
• B) \(\left( 3 a ^ { 2 } - 5 b ^ { 2 } \right) ( 5 a - 3 b )\)
• C) \(\left( 3 a ^ { 2 } + 5 b \right) ( 5 a + 3 b )\)
• D) \(\left( 3 a ^ { 2 } + 5 b ^ { 2 } \right) ( 5 a + 3 b )\)

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