Question

Factorise (9y^2-8y-1)/(y-1)

Answer 1

Step-by-step explanation:

$(9y^{2} - 8y - 1) \div (y - 1) \\ = (9y ^{2} - 9y + y - 1) \div (y - 1) \\ = {9y(y - 1) + 1(y - 1)} \div (y \div 1) \\ = (9y + 1)(y - 1) \div (y - 1) \\ = 9y + 1$

it's the answer