Question

Factorise 1) (4-y)2-2y

Answer 1

Answer:

Step-by-step explanation:

Sorry kid idk

Answer 2

Answer:

y=1 or y=4

Step-by-step explanation:

(4-y)2-2y

= 8-2y-8y+2y^2

=8-10y+2y^2

=2y^2-10y+8

=2y^2-2y-8y+8

= 2y(y-1) -8(y-1)

= (2y-8) (y-1)

2y-8=0. y-1=0

2y=8. y=1

y=4

hey the above is the solution

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