D) Subtract:
1) 4x - 7xy + 3y + 12 from 12x - 9xy + 5y - 4
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12x - 9xy + 5y - 4 -(4x - 7xy + 3y - 12)
12x - 9xy + 5y - 4 - 4x + 7xy - 3y + 12
8x - 2xy + 2y - 8
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Answer:
To subtract (4x - 7xy + 3y + 12) from (12x - 9xy + 5y - 4), we can simply subtract each term separately.
So,
(12x - 9xy + 5y - 4) - (4x - 7xy + 3y + 12)
= (12x - 4x) - (9xy + 7xy) + (5y - 3y) - (4 + 12)
= 8x - 16xy + 2y - 16
Therefore, the result of subtracting (4x - 7xy + 3y + 12) from (12x - 9xy + 5y - 4) is 8x - 16xy + 2y - 16.
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