b) 4a^2b + 8ab / 6a^2 - 6 a
a) (4x +4y) / (5x +5y)
=4(x+y)/5(x+y)
=4/5
b) (4a^2b + 8ab) / (6a^2 - 6a)
=4ab(b + 2) / 6a(a - 1)
=2b(b + 2) / 3(a - 1)
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a) (4x +4y) / (5x +5y)
=4(x+y)/5(x+y)
=4/5
b) (4a^2b + 8ab) / (6a^2 - 6a)
=4ab(b + 2) / 6a(a - 1)
=2b(b + 2) / 3(a - 1)