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Perform the Indicated Operation 3x4y(5x3y27x)- 3 x ^ { 4 } y \left( 5 x ^ { 3 } y ^ { 2 } - 7 x \right)

Question 144

Multiple Choice

Perform the indicated operation: 3x4y(5x3y27x) - 3 x ^ { 4 } y \left( 5 x ^ { 3 } y ^ { 2 } - 7 x \right)


A) 15x7y3+21x5y- 15 x ^ { 7 } y ^ { 3 } + 21 x ^ { 5 } y
B) 15x7y321x5y- 15 x ^ { 7 } y ^ { 3 } - 21 x ^ { 5 } y
C) 6x6y36 x ^ { 6 } y ^ { 3 }
D) 15x12y2+21x4y- 15 x ^ { 12 } y ^ { 2 } + 21 x ^ { 4 } y

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