Question

2: Factorise,
(1) x3 + 64y³​

Answer 1

Answer:

• x^3+y^3= (x+y) (x^2 -xy + y^2).
• x3 + (4y)^3
• (x+4y)(x^2+16y^2-4xy)

Answer 2

x

3

+64y

3

⇒x

3

+4

3

y

3

⇒x

3

+(4y)

3

Factorise is (x+4y)(x

2

−x.4y+(4y)

2

)

⇒(x+4y)(x

2

−4xy+16y

2

) sorry phone problem please adjust