Simplify the Polynomial by Combining Like Terms $\left( 8 x ^ { 2 } - x y - y ^ { 2 } \right)$

question 328

Multiple Choice

Simplify the polynomial by combining like terms.
- $\left( 8 x ^ { 2 } - x y - y ^ { 2 } \right)$ and $\left( x ^ { 2 } + 12 x y + 10 y ^ { 2 } \right)$

• A) \(7 x ^ { 2 } - 13 x y - 11 y ^ { 2 }\)
• B) \(9 x ^ { 2 } + 11 x y + 9 y ^ { 2 }\)
• C) \(9 x ^ { 2 } + 13 x y + 11 y ^ { 2 }\)
• D) \(8 x ^ { 2 } + 12 x y + 10 y ^ { 2 }\)

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