Simplify 3xy ( 2x - 7 ) + 5x ( 9xy -4y ) + 6
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Answer:
51x^2y - 41xy + 6
Explanation:
3xy ( 2x-7 ) +5x ( 9xy-4y ) + 6
6x^2y - 21xy + 45x^2 - 20xy + 6
6x^2y + 45x^2 - 21xy - 20xy
51x^2y - 41xy + 6
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