Question

y^4+4y^2-32 factorise​

Answer 1

Answer:

y^4+4y^2-32

Step-by-step explanation:

hope you can understand

Answer 2

Step-by-step explanation:

=y⁴+4y²-32

=y⁴+(8-4)y²-32

=(y⁴+8y²)(-4y²-32)

=y²(y²+8)-4(y²+8)

=(y²+8)(y²-4)