Sagot :
Answer:
1. -11
2. -9
3. 7a²c²
4. 80a⁴b²
5. -11
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Answer:
1.-19y - (-30y)
-19y + 30y
11y
2. 36xy – (45xy)
36xy -45xy
-9xy
3.-4ac - (3ac)
-4ac - 3ac
-7ac
4. -48a²b – (32a²b)
-48a²b – 32a²b
-80a²b
5. –37x2 – (-48x2)
-3x² + 48x²
45x²