7x2 – 5xy + 1, 11x + 7xy -3, -2x2 – 2xy + 2
3x + 2y – 4z, 5x – 3y + 2z, 4y - 5x + 72
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the answer is 7x2 – 5xy + 1, 11x + 7xy -3, -2x2 – 2xy + 2
3x + 2y – 4z, 5x – 3y + 2z, 4y - 5x + 72
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