11. How much is 3x2 + 4y2 - 4xy smaller than 5x2 + y2 - 6xy?
12. What should be added to 4x2 - 3xy + 7 to get 6x2 - 2xy - 8?
13. What should be subtracted from 3abc - q? + 5b2 to get 8abc + 302 - 2b??
14. From the sum of 812-31 m + 4m2 - 8 and - 612-21 m + 5m2 - 2. subtract - 612 +211 m - 2 m² + 6.
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Answer:
5x2 + y2 - 6xy
-3x2 + 4y2 - 4xy
_____________
5x2 + y2 - 6xy
-3x2 -4y2 + 4xy
_____________
2x2 - 3y2 - 2xy
12. 4 + xy - 15
13. -5abc + 7b^2 - a^2 + 3aStep-by-step explanation:
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