8. From the sum of 4 + 3x and 5
- x² + 2x + 5.
10. What should be subtracted from - 7mn + 2m2 + 3n2 to get m2 + 2m + 122
11. How much is yt - 12y2 + y + 14 greater than 17y + 34y2 - 51y + 68?
13 What should be taken away from 3x2 - 4y2 + 5xy + 20 to obtain -12- y2 +6xy + 201
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Answer:
8) 19x4,10)134m2n2, is the answer
Step-by-step explanation:
addition&subtraction only
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