Perform the Indicated Operations $$\left( 4 x ^ { 2 } - x y - y ^ { 2 } \right) + \left( x ^ { 2 } + 9 x y + 6 y ^ { 2 } \right)$$

question 31

Multiple Choice

Perform the indicated operations.
- $$\left( 4 x ^ { 2 } - x y - y ^ { 2 } \right) + \left( x ^ { 2 } + 9 x y + 6 y ^ { 2 } \right)$$

• A) \(5 x ^ { 2 } + 8 x y + 5 y ^ { 2 }\)
• B) \(5 x ^ { 2 } + 10 x y + 7 y ^ { 2 }\)
• C) \(3 x ^ { 2 } - 10 x y - 7 y ^ { 2 }\)
• D) \(4 x ^ { 2 } + 9 x y + 6 y ^ { 2 }\)

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