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Q.1 Subtract
(a) -3x²-4x-2 from x²-3x+7
(b) 5y-x+3z from x-3y
(c) 3ab+2a-3b from
Q.3 Simplify the following
1. 5ab-7b²c - 6ab + 2bc²-4b² c-3bc²
2. m²-2n²+7mn-5m²-11mn-3n²+2n²
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