Question

Factorise y^4-(y-3)

Answer 1

Answer:

Answer is 4ycube +12ysquare

Answer 2

Answer:

Consider the form

x

2

+

b

x

+

c

. Find a pair of integers whose product is

c

and whose sum is

b

. In this case, whose product is

−

4

and whose sum is

−

3

.

−

4

,

1

Write the factored form using these integers.

(

y

−

4

)

(

y

+

1

)