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Simplify the Polynomial by Combining Like Terms (12x2y9xy+7)+(11x2y+5xy8)\left( 12 x ^ { 2 } y - 9 x y + 7 \right) + \left( - 11 x ^ { 2 } y + 5 x y - 8 \right)

Question 300

Multiple Choice

Simplify the polynomial by combining like terms.
- (12x2y9xy+7) +(11x2y+5xy8) \left( 12 x ^ { 2 } y - 9 x y + 7 \right) + \left( - 11 x ^ { 2 } y + 5 x y - 8 \right)


A) 23x2y+14xy+1523 x ^ { 2 } y + 14 x y + 15
B) x2y14xy+15- x ^ { 2 } y - 14 x y + 15
C) 4x3y21- 4 x ^ { 3 } y ^ { 2 } - 1
D) x2y4xy1x ^ { 2 } y - 4 x y - 1

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