U
au
2
12
8a (a - 1) - 7a (1 + 5a) + a (a - 1)
equals
(a) 15a
(b) – 16a (c)0 (d) 15a - 16a
Answers
Answered by
5
Answer:
Given expression,
42a²-8a(a-1)-7a(1+5a)+a(a-1)
=42a²-8a²+8a-7a-35a²+a²-a
=42a²-8a²-35a²+a²+8a-7a-a
=42a²+a²-8a²-35a²+8a-8a
=43a²-43a²+8a-8a
=0+0
=0
Answered by
2
Answer:
answer is zero ......✌✌✌✌✌✌✌
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