Question

factariose 7 question 2 and1​

Answer 1

(2y)³+(y)²-2y-1

y²(2y+y)-1(2y+y)

(y²-1)(2y+y)

3x³-x²-3x+1

x²(3x-1)-1(3x-1)

(x²-1)(3x-1)

hope it helps

Answer 2

here is your answer.

2y×y×y+y×y-2y-1

(2y×y×y+y×y)-(2y-1)

y2(2y+1)-1(2y+1)

(2y+1)(y2-1)

this is answer of (i).

(ii) 3x×x×x-x×x-3x+1

( 3x×x×x-x×x)-(3x+1)

x2(3x-1)-1(3x-1)

(x2-1)(3x-1)