Subtract the Polynomials $$\left( x ^ { 3 } + 7 x y - 4 y ^ { 2 } \right) - \left( 8 x ^ { 3 } + 4 x y + y ^ { 2 } \right)$$

question 104

Multiple Choice

Subtract the polynomials. Assume all variable exponents represent whole numbers.
- $$\left( x ^ { 3 } + 7 x y - 4 y ^ { 2 } \right) - \left( 8 x ^ { 3 } + 4 x y + y ^ { 2 } \right)$$

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

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