Question 18 • Algebra II
Distribute each term in the first parentheses: (-2x)(-4x) = 8x², (-2x)(-3) = 6x, (-9y²)(-4x) = 36xy², and (-9y²)(-3) = 27y². Adding the terms gives 8x² + 6x + 36xy² + 27y², which is choice D.
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