Question

сократить дробь


b^2-b/ab-b

Answer 1

b^2-b/ab-b=b(b-1) /b(a-1) = (b-1)/(a-1)

Answer 2

$frac{b^{2}-b}{ab-b} = frac{b(b-1)}{b(a-1)} = frac{b-1}{a-1}$