Question

Factorise 1 - 18 y - 63 y square

Answer 1

Answer:

1 - 18y - 63y^2

1 -21y + 3y - 63y^2

1( 1 - 21y) + 3y( 1 - 21y)

(1 - 21y)(1 + 3y)

Hope it helps you...

Answer 2

Answer:

(1-21y) (1+3y)

Step-by-step explanation:

1 - 18y- 63y^2

1 - 21y+3y-63y^2

1(1-21y) + 3y(1-21y)

(1-21y) (1+3y)