8 [a²-a-1] + 5 [2a-2]- 3[a² +a-1]
Pls help solve this.
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Answer:
5a²-a-15
Step-by-step explanation:
8[a²-a-1] + 5 [2a-2]- 3[a² +a-1]
= 8a²-8a-8+10a-10-3a² -3a+3
=5a²-a-15
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