Question

(2x + y + 5) (2x + y - 9)​

Answer 1

(2x + y + 5) (2x + y - 9)

2x (2x + y - 9) + y (2x + y - 9) + 5 (2x + y - 9)

$4 {x}^{2} + 2xy - 18x + 2xy + {y}^{2} - 9y + 10x + 5y - 45 \\ 4 {x}^{2} + 4xy - 8x + {y}^{2} - 4y - 45$

Answer 2

Answer:

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