Question

U
au
2
12
8a (a - 1) - 7a (1 + 5a) + a (a - 1)
equals
(a) 15a
(b) – 16a (c)0 (d) 15a - 16a​

Answer 1

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

Answer 2

Answer:

answer is zero ......✌✌✌✌✌✌✌