Question

Factorise a power 4 minus b+c whole power 4

Answer 1

a^4-(b+c)^4

= a^4-((b+c)^2)^2

= ((a^2)^2)-((b+c)^2)^2

=(a^2-(b+c)^2)(a^2+(b+c) ^2)

= (a^2-b^2-C^2-2bc)(a^2+b^2+ c^2+2bc)

cannot factorise anymore

Answer 2

Answer:

a power of 4 minus b plus c square